00187+1559 STF  25AB

Coord 2000	00187+1559		Discov num	STF  25		Comp	AB		Coord arcsec 2000	00 18 42.80 +15 59 26.5
Date first	1831		Date last	2016		Obs	60
Pa first	193		Pa last	196		P.A. Now (θ)	196°
Sep first	1.7		Sep last	1.0		Sep. Now (ρ)	1"
Mag pri	9.31		Mag sec	9.55		delta mag (ΔM)	0.24		Spectral class	F5 (yellow-white)
Pri motion ra	+031		Sec motion ra	+031
Pri motion dec	-030		Sec motion dec	-030
Notes

rPM=0.947 Nature of this double is uncertain.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

00187+1559

STF 25

AB

1831

2016

60

196

1.0

9.31

9.55

0.24

<===

Show

00187+1559

STF 25

AB,C

1913

2000

6

202

171.5

8.97

13.17

4.20

Triple system
4 visible stars in this system

Tycho2

4018-01930-1

last precise pa

195.7

last precise sep

1.049

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00187+1559	STF 25	AB	2005	58	196	1.1	9.31	9.55	F5	D	001842.80+155926.5
00187+1559	STF 25	AB	2013	59	192	1.0	9.31	9.55	F5		001842.80+155926.5
00187+1559	STF 25	AB	2016	59	196	1.0	9.31	9.55	F5		001842.80+155926.5

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