Publications of Alejandro J. P Aparicio ordered by citations

A list of publications authored or co-authored by Alejandro J. P Aparicio, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0003-3991-497X

162	A Revised Collection of Sunspot Group Numbers Vaquero, J. M., Svalgaard, L., Carrasco, V. M. S., Clette, F., Lefèvre, L., Gallego, M. C., Arlt, R., Aparicio, A. J. P., Richard, J.-G. & Howe, R., 2016, Solar Physics, 291, 3061
35	Sunspot Numbers and Areas from the Madrid Astronomical Observatory (1876 - 1986) Aparicio, A. J. P., Vaquero, J. M., Carrasco, V. M. S. & Gallego, M. C., 2014, Solar Physics, 289, 4335
19	Sunspot Catalogue of the Valencia Observatory (1920 - 1928) Carrasco, V. M. S., Vaquero, J. M., Aparicio, A. J. P. & Gallego, M. C., 2014, Solar Physics, 289, 4351
18	The controversial early brightening in the first half of 20th century: A contribution from pyrheliometer measurements in Madrid (Spain) Antón, M., Vaquero, J. M. & Aparicio, A. J. P., 2014, Global and Planetary Change, 115, 71
16	An Early Sunspot Catalog by Miguel Aguilar for the Period 1914 - 1920 Lefèvre, L., Aparicio, A. J. P., Gallego, M. C. & Vaquero, J. M., 2016, Solar Physics, 291, 2609
13	Relationship between the Sunspot Number and Active Day Fraction: An Application for the Maunder Minimum Carrasco, V. M. S., Llera, J., Aparicio, A. J. P., Gallego, M. C. & Vaquero, J. M., 2022, ApJ, 933, 26
12	The New Sunspot-Number Index and Solar-Cycle Characteristics Carrasco, V. M. S., Aparicio, A. J. P., Vaquero, J. M. & Gallego, M. C., 2016, Solar Physics, 291, 3045
12	Solar Observations by Angelo Secchi. I. Digitization of Original Documents and Analysis of Group Numbers over the Period of 1853-1878 Ermolli, I., Chatzistergos, T., Giorgi, F., Carrasco, V. M. S., Aparicio, A. J. P. & Chinnici, I., 2023, ApJS, 269, 53
10	Prediction of the Maximum Amplitude of Solar Cycle 25 Using the Ascending Inflection Point Aparicio, A. J. P., Carrasco, V. M. S. & Vaquero, J. M., 2023, Solar Physics, 298, 100
10	The proposed "Waldmeier discontinuity": How does it affect to sunspot cycle characteristics? Pérez Aparicio, Alejandro Jesús, Vaquero, José Manuel & Cruz Gallego, María, 2012, Journal of Space Weather and Space Climate, 2, A12
9	A Sunspot Catalog for the Period 1952 - 1986 from Observations Made at the Madrid Astronomical Observatory Aparicio, A. J. P., Lefèvre, L., Gallego, M. C., Vaquero, J. M., Clette, F., Bravo-Paredes, N., Galaviz, P. & Bautista, M. L., 2018, Solar Physics, 293, 164
8	Monitoring the Solar Radius from the Royal Observatory of the Spanish Navy since 1773 Vaquero, J. M., Gallego, M. C., Ruiz-Lorenzo, J. J., López-Moratalla, T., Carrasco, V. M. S., Aparicio, A. J. P., González-González, F. J. & Hernández-García, E., 2016, Solar Physics, 291, 1599
8	Re-evaluation of trends in atmospheric column transparency from pyrheliometer measurements in Madrid (1910-1929) Aparicio, A. J. P., Antón, M., Gallego, M. C., Sanchez-Lorenzo, A. & Vaquero, J. M., 2019, Atmospheric Research, 217, 165
7	Understanding Solar Activity after the Maunder Minimum: Sunspot Records by Rost and Alischer Carrasco, V. M. S., Aparicio, A. J. P., Chatzistergos, T., Jamali Jaghdani, S., Hayakawa, H., Gallego, M. C. & Vaquero, J. M., 2024, ApJ, 968, 65
6	Hemispheric Sunspot Number from the Madrid Astronomical Observatory for the Period 1935-1986 Aparicio, A. J. P., Carrasco, V. M. S., Gallego, M. C. & Vaquero, J. M., 2022, ApJ, 931, 52
5	Relationship between solar activity and direct solar irradiance in Madrid (1910-1929) Aparicio, A. J. P., Gallego, M. C., Antón, M. & Vaquero, J. M., 2020, Atmospheric Research, 235, 104766
5	Predicting Solar Cycle 26 Using the Polar Flux as a Precursor, Spectral Analysis, and Machine Learning: Crossing a Gleissberg Minimum? Rodríguez, José-Víctor, Sánchez Carrasco, Víctor Manuel, Rodríguez-Rodríguez, Ignacio, Pérez Aparicio, Alejandro Jesús & Vaquero, José Manuel, 2024, Solar Physics, 299, 117
4	Hemispheric Sunspot Number Prediction for Solar Cycles 25 and 26 Using Spectral Analysis and Machine Learning Techniques Rodríguez, José-Víctor, Sánchez Carrasco, Víctor Manuel, Rodríguez-Rodríguez, Ignacio, Pérez Aparicio, Alejandro Jesús & Vaquero, José Manuel, 2024, Solar Physics, 299, 116
3	A Sunspot Catalog by Rafael Carrasco at the Madrid Astronomical Observatory for the Period 1931 - 1933 Aparicio, A. J. P., Carrasco, V. M. S., Gallego, M. C. & Vaquero, J. M., 2022, Solar Physics, 297, 58
3	Analysis of Solar Diameter Measurements Made at the Basilica of San Petronio during and after the Maunder Minimum Tovar, I., Aparicio, A. J. P., Carrasco, V. M. S., Gallego, M. C. & Vaquero, J. M., 2021, ApJ, 912, 122
2	Hemispheric Sunspot Numbers from the Astronomical Observatory of the University of Valencia (1940 - 1956) Carrasco, V. M. S., Aparicio, A. J. P., Gallego, M. C. & Vaquero, J. M., 2023, Solar Physics, 298, 51
2	Reconstruction of daily global solar radiation under all-sky and cloud-free conditions in Badajoz (Spain) since 1929 Montero-Martín, Javier, Antón, Manuel, Vaquero, José Manuel, Román, Roberto, Vaquero-Martinez, Javier, Aparicio, Alejandro J. P. & Sanchez-Lorenzo, Arturo, 2023, International Journal of Climatology, 43, 3523
1	Are we crossing a minimum of the Gleissberg centennial cycle? Multivariate machine learning-based prediction of the sunspot number using different proxies of solar activity and spectral analysis Rodríguez, José-Víctor, Sánchez Carrasco, Víctor Manuel, Rodríguez-Rodríguez, Ignacio, Pérez Aparicio, Alejandro Jesús & Vaquero, José Manuel, 2024, Advances in Space Research, 74, 4173
1	Validation of precipitable water vapor estimates from an inexpensive infrared thermometer Pérez Aparicio, Alejandro Jesús, Vaquero-Martínez, Javier, Gallego, María Cruz, Antón, Manuel & Vaquero, José Manuel, 2023, Journal of Atmospheric and Solar-Terrestrial Physics, 249, 106107
1	Numerical Considerations in the Reconstruction of Sunspot Numbers from ADF: A Precision Update Carrasco, V. M. S., Llera, J., Aparicio, A. J. P., Gallego, M. C. & Vaquero, J. M., 2025, Research Notes of the American Astronomical Society, 9, 120
1	The Anomalously Thundery Month Of June 1925 In Southwest Spain: Description And Synoptic Analysis Acero, Francisco Javier, Antón, Manuel, Jesús Pérez Aparicio, Alejandro, Bravo-Paredes, Nieves, Sánchez Carrasco, Víctor Manuel, Cruz Gallego, María, Agustín García, José, Núñez, Marcelino, Tovar, Irene, Vaquero-Martínez, Javier & Vaquero, José Manuel, 2025, Natural Hazards and Earth System Sciences, 25, 305
1	A Weak-moderate Solar Cycle 25 is Confirmed Gallego, M. C., Aparicio, A. J. P., Carrasco, V. M. S. & Vaquero, J. M., 2025, Research Notes of the American Astronomical Society, 9, 202
1	Three Scattered Sunspot Records in the Archive of the Royal Astronomical Observatory of the Spanish Navy (1789-1790) Gallego, M. C., Aparicio, A. J. P., Carrasco, V. M. S. & Vaquero, J. M., 2023, Research Notes of the American Astronomical Society, 7, 235
0	Analysis of sunshine duration and cloud cover trends in Lisbon for the period 1890-2018 Aparicio, A. J. P., Carrasco, V. M. S., Montero-Martín, J., Sanchez-Lorenzo, A., Costa, M. J. & Antón, M., 2023, Atmospheric Research, 290, 106804
0	Rediscovering the observations of solar prominences from 1906 to 1957 recorded at the Madrid Astronomical Observatory Aparicio, Alejandro Jesús Pérez, Carrasco, Víctor, Gallego, María Cruz & Vaquero, José Manuel, 2023, Journal of Space Weather and Space Climate, 13, 5
0	Recovering Data of an Observation of the Leonids in 1869 from the Lisbon Geophysical Observatory (Portugal) Aparicio, A. J. P. & Vaquero, J. M., 2024, Research Notes of the American Astronomical Society, 8, 143
0	A Comment on the Solar Activity Level in 1791 by Lorenzo Hervás y Panduro Aparicio, A. J. P. & Vaquero, J. M., 2024, Research Notes of the American Astronomical Society, 8, 164
0	Assessing the Evolution of Solar Cycle 25: A Weak-moderate Cycle Carrasco, V. M. S., Vaquero, J. M. & Aparicio, A. J. P., 2024, Research Notes of the American Astronomical Society, 8, 183
0	A Comment on the Solar Activity Level in 1744 by Diego de Torres Villarroel Aparicio, A. J. P. & Vaquero, J. M., 2024, Research Notes of the American Astronomical Society, 8, 204
0	Unreleased sunspot records by Hacki in 1671 during the Maunder Minimum Carrasco, V. M. S., Jasiński, M., Villalba-Álvarez, J., Aparicio, A. J. P., Gallego, M. C. & Vaquero, J. M., 2025, Advances in Space Research, 76, 1052
0	Assessing Catastrophic Historical Floods in a Small Stream: The Case of Tripero River (Villafranca de los Barros, Spain) Vaquero, José Manuel, Vaquero-Martínez, Javier, Carrasco, Víctor Manuel Sánchez, Aparicio, Alejandro Jesús Pérez & Gallego, María Cruz, 2025, Atmosphere, 16, 1408
0	Aurora records in the Spanish newspaper Extremadura for the period 1923-2017 Sánchez Romero, Constantino, Díaz-Condiño, Lucía, Tovar Hernández, Irene, Pérez Aparicio, Alejandro Jesús, Sánchez Carrasco, Víctor Manuel, Gallego Herrezuelo, María Cruz & Vaquero, José Manuel, 2025, History of Geo- and Space Sciences, 16, 13
0	Solar Observations by Angelo Secchi: An Analysis of His Diary and Annotations in His Sunspot Drawings Carrasco, V. M. S., Ermolli, I., Aparicio, A. J. P. & Chatzistergos, T., 2026, ApJ, 1000, 106
0	On the Uncertainties of the Sunspot Area Measurements Sánchez-Bajo, F., Carrasco, V. M. S., Aparicio, A. J. P. & Vaquero, J. M., 2026, ApJ, 1000, 295
0	Solar Activity Spikes: A Comparative Analysis of Monthly Smoothed and Unsmoothed Sunspot Numbers Carrasco, Víctor M. S., Aparicio, Alejandro J. P., Bautista, Lucía, Gallego, María Cruz & Vaquero, José M., 2026, Universe, 12, 28