Authors: ECHEVARRIA J TAPIA M COSTERO R SALAS L MICHEL R MICHEL R ROJAS MA MUNOZ R VALDEZ J OCHOA JL PALOMARES J HARRIS O CROMWELL RH WOOLF NJ PERSSON SE CARR DM

Citation: J. Echevarria et al., SITE TESTING AT OBSERVATORIO-ASTRONOMICO-NACIONAL IN SAN-PEDRO-MARTIR, Revista Mexicana de Astronomia y Astrofisica, 34(1), 1998, pp. 47-60

Authors: HANDLER G MENDEZ RH MEDUPE R COSTERO R BIRCH PV ALVAREZ M SULLIVAN DJ KURTZ DW HERRERO A GUERRERO M CIARDULLO R BREGER M

Citation: G. Handler et al., VARIABLE CENTRAL STARS OF YOUNG PLANETARY-NEBULAE .1. PHOTOMETRIC MULTISITE OBSERVATIONS OF IC-418, Astronomy and astrophysics, 320(1), 1997, pp. 125-135

Authors: ECHEVARRIA J TOVMASSIAN G SHARA M TAPIA M BOHIGAS J JONES DHP GILMOZZI R COSTERO R LOPEZ JA ROTH M ALVAREZ M RODRIGUEZ LF DELARA E STOVER RJ MARTINEZROGER C GARZON F ASATRIAN N VOGT N SZKODY P ZSOLDOS E MATTEI J BATESON FM

Citation: J. Echevarria et al., SIMULTANEOUS MULTIWAVELENGTH OBSERVATIONS OF DWARF NOVAE .1. SU-URSAE-MAJORIS - MINIHUMPS AT A MINIOUTBURST, The Astrophysical journal, 467(2), 1996, pp. 851-859

Authors: COSTERO R SCHUSTER WJ TAPIA M PENA M PARRAO L ECHEVARRIA J

Citation: R. Costero et al., RECENT VARIABILITY OF THE CENTRAL STAR OF THE PLANETARY-NEBULA NGC-2346, Revista Mexicana de Astronomia y Astrofisica, 27, 1993, pp. 103-106

Authors: DULTZINHACYAN D RUELASMAYORGA A COSTERO R

Citation: D. Dultzinhacyan et al., SIMULTANEOUS OPTICAL AND IR MONITORING OF THE SEYFERT NUCLEUS NGC-7469, Revista Mexicana de Astronomia y Astrofisica, 25(2), 1993, pp. 143-148

Authors: ECHEVARRIA J COSTERO R MICHEL R

Citation: J. Echevarria et al., STROMGREN PHOTOMETRY OF DWARF NOVAE, Astronomy and astrophysics, 275(1), 1993, pp. 201-209