18122+0453 BAL 2918

Coord 2000	18122+0453		Discov num	BAL2918		Comp			Coord arcsec 2000	18 12 10.78 +04 53 21.9
Date first	1976		Date last	2015		Obs	9
Pa first	52		Pa last	53.5		P.A. Now (θ)	53.5°
Sep first	7.5		Sep last	8.147		Sep. Now (ρ)	8.147"
Mag pri	12.40		Mag sec	13.30		delta mag (ΔM)	0.9		Spectral class
Pri motion ra	+003		Sec motion ra	-009
Pri motion dec	-007		Sec motion dec	+010
Notes	N (See Notes)

rPM=1.547 This double is not physical.

Constellation

Ophiuchus

Gaia DR2

4470768558071117312

discov_num	notes	refcode
BAL2918	Another yet fainter pair os 1' NW of this.	Hei1978b

refcode	metd	author	reference
Hei1978b	M+ -	Heintz, W.D.	1978ApJS...37..343H
Hei1978b	+Po	ApJS 37, 343, 1978

idgroup	discov	author
1	BAL	Baillaud, R.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18122+0453	BAL2918		1976	1	52	7.5	11.40			N
18122+0453	BAL2918		1999	2	53	8.1	12.40	13.30		N D	181210.78+045321.9
18122+0453	BAL2918		2000	3	54	8.1	12.40	13.30		N D	181210.78+045321.9
18122+0453	BAL2918		2010	4	54	7.8	12.40	13.30		N	181210.78+045321.9
18122+0453	BAL2918		2015	5	54	8.1	12.40	13.30		N	181210.78+045321.9

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS