BLLac

General information

• Name of the source: BL Lacertae
• Brief description of the source:

- Object type : Blazar

- RA: 22 02 43.3 (hh mm ss), Dec: +42 16 40 (dd mm ss)

Data-taking information

• elog summary pdf
• observation summary (under line: MAGIC joint observation)

Date	Runs (Zd<35)	Runs (Zd>35)	time (h)	Zd	Az	Transmission	Comments
2021-07-09	5219, 5220	-	0.44	22/27	50/51	~90%
2021-07-10	5231, 5232, 5233, 5234, 5235	5229, 5230	1.61	19/40	43/57	40-60%
2021-07-11	-	5242	0.03	47/48	57	x
2021-07-12	-	5251, 5252	0.50	41/47	57/58	45-60%
2021-07-15	5273, 5274, 5275, 5276	-	0.87	14/21	-44/-11	>80%
2021-07-16	5282, 5283	-	0.47	17/22	41/45	~60%
2021-07-17	5302, 5303, 5304	-	0.53	15/19	25/41	~60%
2021-07-18	5335, 5336	-	0.50	17/23	-43/-34	~70%
2021-08-02	5448, 5449, 5450	5443, 5444, 5447	1.76	20/45	48/58	x
2021-08-03	5458, 5460, 5466	5454, 5455, 5456, 5457	1.92	14/49	-18/58	x	5459: busy issue
2021-08-04	5481, 5482	-	0.50	14/16	-22/-7	>85%
2021-08-05	-	5486, 5488	0.55	44/51	57	>90%	5487: rate control is not applied
2021-08-07	-	5546, 5547	0.44	34/41	-57/-56	~90%
2021-08-08	5552, 5553, 5554, 5555, 5556, 5557, 5558, 5559	-	1.93	14/32	5/55	>85%
2021-08-09	5592, 5593, 5594, 5595	-	1.34	13/19	-6/40	>90%
2021-08-11	5688, 5689, 5690	-	0.92	19/30	-51/-40	>90%
2021-08-12	5705, 5706	-	0.45	15/20	33/42	>90%
2021-08-13	5732, 5733, 5734, 5735, 5736	-	1.67	15/33	-53/-22	~70%
2021-08-14	5749, 5750	-	0.47	16/20	37/42	>90%
2021-08-16	5780, 5781	-	0.67	14-21	-36/-11	x

BL Lac data analysis

Related analysis pages

Analysis_BLLac_July_2021 (fast analysis for LST-1 ATel https://www.astronomerstelegram.org/?read=14783 )

Analysis_BLLac_Aug_2021_Nozaki (Aug 8 flare analysis for LST general meeting, 2021 Nov)

Analysis_BLLac_Aug_2021_Emery (Aug 2-13th and 8th flare analysis for LST general meeting, 2021 Nov. With the likelihood reconstruction method.)