BL_Lac

Name
BL_Lac
Target ID
3537
Ra,Dec
330.6803806403399 42.27777206022
 
22:02:43.291 +42:16:39.979
Galactic (l,b)
92.589583 -10.441158
Constellation
Lacerta
Discovered
2024-10-08 11:25:57
Class
BL Lac
Description
famous variable blazar
Phot.Class
YSO 70.8%
Last MJD
61340.9499028
Last Mag/Filter
12.9 mag [I(GaiaSP)]
Target importance (0-10)
6.0
Cadence requested (d)
0.1
Observing priority
80.2
Sun Separation (deg)
119.0

Other names:

GAIA_ALERTS
Gaia21akj
PS1
PS1_158733306804833997
GAIA_DR3
1960066225988786048
AAVSO
BL Lac
ANTARES
ANT2020afbho
ZTF
ZTF18abmjhvi
ATLAS
ATLAS+J330.6803806403399_42.27777206022
NEOWISE
NEOWISE+J330.6803806403399_42.27777206022
TNS
AT2021bag
CRTS
CRTS+J330.6803806403399_42.27777206022
twomass
2MASS_22024329+4216400
ASASSN
51540061935
ASTRO_COLIBRI
4FGL J2202.7+4216
Field of view

This data is provided by BHTOM. For inquiries about the data or to collaborate on data processing, please contact us. We welcome collaborations and data processing opportunities.

Photometry

Photometry (per facility)

Photometry (High Energy)

Recent Photometry
TimestampMagnitudeMag.errorFilterFacilityObserver
2026-10-27 22:47:51 12.8527 0.0088 I(GaiaSP) SOAB_ZWO-ASI2600MM Sebastian Kurowski
2026-10-27 22:45:41 13.6645 0.0077 R(GaiaSP) SOAB_ZWO-ASI2600MM Sebastian Kurowski
2026-10-27 22:42:59 14.2873 0.0066 V(GaiaSP) SOAB_ZWO-ASI2600MM Sebastian Kurowski
2026-10-27 22:32:33 15.2153 0.0123 B(GaiaSP) SOAB_ZWO-ASI2600MM Sebastian Kurowski
2026-10-27 22:28:53 12.8331 0.0074 I(GaiaSP) SOAB_ZWO-ASI2600MM Sebastian Kurowski

Photometry Stats

FacilityObserversFiltersNumberMin MJDMax MJD
2MASS 2MASS 2MASS(J), 2MASS(H), 2MASS(K) 3 51706.37 51706.37
ALLWISE ALLWISE WISE(W1), WISE(W2) 151 55362.19 55544.26
ASASSN ASASSN ASASSN(V), ASASSN(g) 721 57007.21 60701.07
ATLAS ATLAS ATLAS(o), ATLAS(c), ATLAS(H) 5005 57232.4 61313.38
Adyu60_Andor-934 Michal Zejmo, Waldemar Ogloza B(GaiaSP), R(GaiaSP), V(GaiaSP) 1298 60581.76 60611.81
CAHA1.23_ASI461MM Mauritz Wicker, Martina Larma V(GaiaSP), B(GaiaSP), I(GaiaSP), R(GaiaSP) 51 60618.83 60662.82
FERMI-LAT FERMI-LAT LAT(>100MeV), LAT(>800MeV) 1826 54686.16 61294.16
Gaia Gaia G(Gaia DR3), BP(Gaia DR3), RP(Gaia DR3) 205 56870.39 57885.79
Gaia Alerts Gaia Alerts GSA(G) 197 56870.39 60331.57
IAC80_CAMELOT2 PAULA SOSA GUILLÉN g(GaiaSP), r(GaiaSP), i(GaiaSP) 3 60616.84 60616.85
LCOGT-HO-40cm_QHY600M Fraser Lewis V(GaiaSP) 13 60592.4 60673.21
LCOGT-MCD-40cm_QHY600M Fraser Lewis V(GaiaSP) 17 60594.06 60694.05
LCOGT-Teide-40cm_QHY600M Fraser Lewis, Lukasz Wyrzykowski V(GaiaSP) 37 60597.9 61055.82
LW_Seestar-S50 Jacek Drazkowski, Zbigniew Grabowski, Maria Nicewicz R(GaiaSP), V(GaiaSP), B(GaiaSP) 245 60832.95 60986.86
MOLETAI-35cm_CCD4710 Justas Zdanavicius I(GaiaSP), g(GaiaSP), V(GaiaSP), R(GaiaSP), r(GaiaSP), i(GaiaSP), z(GaiaSP) 157 60869.0 61197.94
NEOWISE NEOWISE WISE(W1), WISE(W2) 830 56639.83 60476.81
OAUJ-CDK500_F42 Staszek Zola R(GaiaSP), I(GaiaSP), B(GaiaSP), V(GaiaSP) 7524 60317.75 60591.06
OAUJ-CDK500_U47 Staszek Zola, Patryk Więcko, Oliwia Zielińska R(GaiaSP), I(GaiaSP), B(GaiaSP), V(GaiaSP), z(GaiaSP), r(GaiaSP), i(GaiaSP), g(GaiaSP) 2102 60354.73 60900.95
Observatory Maciej Sikora, Lukasz Wyrzykowski, Justyna Put R(GaiaSP), V(GaiaSP), r(GaiaSP), g(GaiaSP) 323 61215.0 61301.88
Ostrowik-60-cm_SOFIA_E2V Lukasz Wyrzykowski, Kajetan Siennicki B(GaiaSP), R(GaiaSP), V(GaiaSP), I(GaiaSP) 120 61234.95 61329.92
PIWNICE90_C4-16000EC Agnieszka Gurgul g(GaiaSP), r(GaiaSP), i(GaiaSP), z(GaiaSP) 40 60944.78 60944.79
PS1 PS1 PS1(g), PS1(r), PS1(i), PS1(z) 4 55908.53 56466.45
PTF PTF PTF(R), PTF(g) 572 54916.52 56256.31
Planetarium_Slaskie_Kepler4040 Waldemar Ogloza B(GaiaSP), I(GaiaSP), R(GaiaSP), V(GaiaSP) 12 61192.98 61193.0
RRRT_SBIG-STX16803 Staszek Zola R(GaiaSP) 28 60310.02 60591.99
SOAB_ZWO-ASI2600MM Sebastian Kurowski B(GaiaSP), I(GaiaSP), R(GaiaSP), V(GaiaSP) 50 60905.84 61340.95
SUTO-Otivar_ASI1600MM Adam Popowicz V(GaiaSP), r(GaiaSP), B(GaiaSP), I(GaiaSP) 12 61294.99 61295.02
Salerno_Observatory_FLI Valerio Bozza R(GaiaSP) 355 61196.03 61267.09
Seestar-S30 Robert Nowakowski, Zbigniew Grabowski, Lukasz Drzewoszewski, Jakub Komar, Jacek Drazkowski, Astro Koluszki, Maria Nicewicz, Krzysztof Słowik, Krzysztof Ignasiak R(GaiaSP), V(GaiaSP), I(GaiaSP), B(GaiaSP) 780 61034.69 61321.0
Seestar-S30-Pro Jacek Drazkowski, Krzysztof Ignasiak, Anna Olchowy, Zbigniew Grabowski V(GaiaSP), R(GaiaSP) 232 61306.81 61334.86
Seestar-S50 Zbigniew Grabowski, Michal Kwieciak, Jacek Drazkowski, Maciej Kobelis-Szostakowski, Krzysztof Słowik, Marcin Michalski, Andrzej Bobiński, Gabriel Malinowski, Jerzy Surma, Lucyna Juchniewicz-Kusiak, Patryk Matera, Jakub Komar, Astro Koluszki, Weronika Skrobacz, Patryk Kropacz, Jędrzej Kwinta, Lukasz Wyrzykowski, Martine Castets, Piotr Ligęza, Andrzej Zimończyk V(GaiaSP), R(GaiaSP), I(GaiaSP), B(GaiaSP) 2673 60999.79 61340.91
Seestar-S50-Pro Jacek Drazkowski, Krzysztof Słowik, Oleksandr Zahrebelko R(GaiaSP), V(GaiaSP) 102 61301.93 61334.82
Slooh-Canary-Two-UWF-Telescope_ST-10XME Nicholas Rattenbury R(GaiaSP), r(GaiaSP), V(GaiaSP) 4 61274.04 61277.95
Slooh-Canary_KAF-09000 Nicholas Rattenbury B(GaiaSP), V(GaiaSP), R(GaiaSP) 5 61274.04 61277.96
SwiftUVOT SwiftUVOT UVOT(B), UVOT(UVM2), UVOT(U), UVOT(V), UVOT(UVW1), UVOT(UVW2) 3934 53577.02 60918.09
UwB_SBIG-4040 Marek Nikolajuk, Wojciech Burzyński, Ernest Glowacki, Marek Nikolajuk, Wojciech Burzyński r(GaiaSP), g(GaiaSP), i(GaiaSP), V(GaiaSP) 18 60896.85 60967.92
ZAO_G2-1600 Charles Galdies I(GaiaSP), V(GaiaSP) 10 61327.9 61328.91
ZTF ZTF ZTF(zg), ZTF(zr) 6021 58234.5 61054.13

Gaia Archive parameters

ParameterGDR2GDR3
parallax [mas] -0.016 ± 0.018 -0.036 ± 0.014
PM RA [mas/yr] -0.006 ± 0.025 0.008 ± 0.012
PM Dec [mas/yr] 0.083 ± 0.028 0.018 ± 0.013
RUWE / AEN [mas] 1.129 / 0.0 1.24 / 0.055
Dist_med_geo [kpc] - 21.273