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
61183.9464313
Last Mag/Filter
14.0 mag [~G]
Target importance (0-10)
6.0
Cadence requested (d)
0.1
Observing priority
46.3
Sun Separation (deg)
76.0

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
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
2026-05-23 22:42:51 14.6788 0.0521 V(GaiaSP) Seestar-S50 Astro Koluszki
2026-05-23 22:42:51 14.2865 0.0503 R(GaiaSP) Seestar-S50 Astro Koluszki
2026-05-23 22:33:01 14.0280 0.0265 R(GaiaSP) Seestar-S50 Astro Koluszki
2026-05-23 22:33:01 14.5097 0.0241 V(GaiaSP) Seestar-S50 Astro Koluszki
2026-05-23 22:23:48 14.0510 0.0474 R(GaiaSP) Seestar-S50 Jacek Drazkowski

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) 4160 57232.4 61175.56
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) 1796 54686.16 61175.16
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) 16 60594.06 60694.05
LCOGT-Teide-40cm_QHY600M Fraser Lewis, 2 V(GaiaSP) 35 60597.9 61055.82
LW_Seestar-S50 654, 673, 550 R(GaiaSP), V(GaiaSP), B(GaiaSP) 245 60832.95 60986.86
MOLETAI-35cm_CCD4710 25 I(GaiaSP), g(GaiaSP), V(GaiaSP), R(GaiaSP), r(GaiaSP) 117 60869.0 61073.76
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, 709, 708 R(GaiaSP), I(GaiaSP), B(GaiaSP), V(GaiaSP), z(GaiaSP), r(GaiaSP), i(GaiaSP), g(GaiaSP) 2102 60354.73 60900.95
PIWNICE90_C4-16000EC 68 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) 286 54916.52 56256.31
RRRT_SBIG-STX16803 Staszek Zola R(GaiaSP) 28 60310.02 60591.99
SOAB_ZWO-ASI2600MM 83 B(GaiaSP), I(GaiaSP), R(GaiaSP), V(GaiaSP) 34 60905.84 61008.9
Seestar-S30 836, 673, 854, 864, 654 R(GaiaSP), V(GaiaSP), I(GaiaSP) 181 61034.69 61181.89
Seestar-S50 673, 829, 654, 834, 840, 845, 849, 848, 891, 877, 878, 864, 970 V(GaiaSP), R(GaiaSP), I(GaiaSP), B(GaiaSP) 686 60999.79 61183.95
SwiftUVOT SwiftUVOT UVOT(B), UVOT(UVM2), UVOT(U), UVOT(V), UVOT(UVW1), UVOT(UVW2) 3934 53577.02 60918.09
UwB_SBIG-4040 137, 675, 715, 137, 675 r(GaiaSP), g(GaiaSP), i(GaiaSP), V(GaiaSP) 18 60896.85 60967.92
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