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13008+1423
STF1705

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

13008+1423 STF1705

13^h 00^m 46.46^s +14° 22' 38.1" P.A. 188.00 sep 26.7 mag 9.03,10.28 Sp G0 dist. 76.92 pc (250.91 l.y.)

Coord 2000	13008+1423		Discov num	STF1705		Comp			Coord arcsec 2000	13 00 46.46 +14 22 38.1
Date first	1827		Date last	2017		Obs	34
Pa first	188		Pa last	188		P.A. Now (θ)	188°
Sep first	26.8		Sep last	26.7		Sep. Now (ρ)	26.7"
Mag pri	9.03		Mag sec	10.28		delta mag (ΔM)	1.25		Spectral class	G0 (yellow)
Pri motion ra	+002		Sec motion ra	-007
Pri motion dec	-074		Sec motion dec	-077
Notes	N Y V (See Notes, Parallax indicates components are non-physical, Proper motion indicates physical)

rPM=0.123 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	187.7		Precise sep	26.7		Constellation	Coma Berenices		SAO	100368
HIP	63509		Tycho2	0889-00394-1		Gaia DR2	3930274613510165504		HD	113039
BD	BD+15 2531		Distance	76.92		Distance ly	250.91

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
13008+1423	STF1705		2006	24	188	26.8	9.03	10.28	G0	YDV	130046.46+142238.1
13008+1423	STF1705		2012	26	188	26.8	9.03	10.28	G0	NYDV	130046.46+142238.1
13008+1423	STF1705		2015	28	187	26.8	9.03	10.28	G0	NY V	130046.46+142238.1
13008+1423	STF1705		2017	30	188	26.7	9.03	10.28	G0	NY V	130046.46+142238.1

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