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00270+1705
BFR 3

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

00270+1705 BFR 3

00^h 26^m 58.49^s +17° 05' 08.8" P.A. 138.00 sep 30.3 mag 8.88,21.82 Sp G5+M9

Coord 2000	00270+1705		Discov num	BFR 3		Comp			Coord arcsec 2000	00 26 58.49 +17 05 08.8
Date first	2000		Date last	2015		Obs	5
Pa first	138		Pa last	138		P.A. Now (θ)	138°
Sep first	30.2		Sep last	30.3		Sep. Now (ρ)	30.3"
Mag pri	8.88		Mag sec	21.82		delta mag (ΔM)	12.94		Spectral class	G5+M9 (yellow/red)
Pri motion ra	-143		Sec motion ra	-149
Pri motion dec	-113		Sec motion dec	-128
Notes	N R (See Notes, Red magnitudes)

rPM=0.082 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Precise pa	138.1		Precise sep	30.303		Constellation	Pisces		SAO	91898
Tycho2	1180-00367-1		Gaia DR2	2793140347827089792		HD	2292

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00270+1705	BFR 3		2006	2	138	30.5	8.88	21.82	G5 M9	N R	002658.49+170508.8
00270+1705	BFR 3		2010	3	138	30.1	8.88	21.82	G5+M9	N R	002658.49+170508.8
00270+1705	BFR 3		2015	4	138	30.3	8.88	21.82	G5+M9	N R	002658.49+170508.8

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