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20126+1329
J 3058

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20126+1329 J 3058

20^h 12^m 34.52^s +13° 29' 48.5" P.A. 171.00 sep 6.4 mag 12.72,12.33 Sp F2

Coord 2000	20126+1329		Discov num	J 3058		Comp			Coord arcsec 2000	20 12 34.52 +13 29 48.5
Date first	1897		Date last	2015		Obs	9
Pa first	162		Pa last	171		P.A. Now (θ)	171°
Sep first	5.9		Sep last	6.4		Sep. Now (ρ)	6.4"
Mag pri	12.72		Mag sec	12.33		delta mag (ΔM)	0.39		Spectral class	F2 (yellow-white)
Pri motion ra	+003		Sec motion ra	+004
Pri motion dec	+002		Sec motion dec	-003
Notes	B (Blue magnitudes)

rPM=1.02

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	170.9		Precise sep	6.395		Constellation	Aquila		Tycho2	1085-00500-1
Gaia DR2	1803528961706764032

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20126+1329	J 3058		1998	4	171	6.4	12.72	12.33	F2	DB	201234.52+132948.5
20126+1329	J 3058		2001	5	171	6.4	12.72	12.33	F2	DB	201234.52+132948.5
20126+1329	J 3058		2010	6	171	5.6	12.72	12.33	F2	B	201234.52+132948.5
20126+1329	J 3058		2015	6	171	6.4	12.72	12.33	F2	B	201234.52+132948.5

If you need more information about this double, apply for a data request form to the WDS.