BL Lacertae
Last GRT Data
B: 2012-10-23T01:37:34
V: 2012-10-23T01:37:34
R: 2012-10-23T01:37:34
I: 2012-10-23T01:39:46
Basic data of BL Lacertae (SIMBAD link)
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Fermi LAT, Swift BAT/XRT, GRT light curve
GRT four color (B, V, R, and I) light curves
GRT B filter with reference stars
B filter
V filter
R filter
I filter