15462+1525 STF1970AB (Chow)

 
 
15h 46m 11.21s +15 25' 18.9" P.A. 264 sep 30 mag 3.66,9.96 Sp A2IV dist. 47.55 pc (155.11 l.y.)
 
 
Coord 2000
15462+1525
Discov num
STF1970
Comp
AB
Coord arcsec 2000
15 46 11.21 +15 25 18.9
Date first
1781
Date last
2015
Obs
48
Pa first
267
Pa last
264
P.A. Now (θ)
264°
Sep first
24.0
Sep last
30.0
Sep. Now (ρ)
30"
Mag pri
3.66
Mag sec
9.96
delta mag (ΔM)
6.3
Spectral class
A2IV (white)
Pri motion ra
+065
Sec motion ra
+070
Pri motion dec
-039
Sec motion dec
-047
Notes
N (See Notes)
rPM=0.112 (< 0.3, Physical double)
This double is physical.
 
 
15462+1525 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Chow 101725 15462+1525 STF1970 AB 1781 2015 48 264 30.0 3.66 9.96 6.30 <===
Show 101725 15462+1525 STF1970 AC 1901 2015 11 211 201.7 3.65 10.98 7.33
Show 101725 15462+1525 SHY 281 AD 1991 2015 5 255 999.9 3.65 8.23 4.58
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.6
Precise sep
29.997
Common name
Chow
Meaning
imperial dynasty of China
Constellation
Serpens
SAO
101725
HIP
77233
Tycho2
1495-01994-1
HD
141003
HR
5867
GC
21194
BD
BD+15 2911
Bayer
Beta Serpentis
Bayer name
Bet Ser
Flamsteed
28 Serpentis
Flamsteed name
28 Ser
Distance
47.55
Distance ly
155.11
last precise pa
263.6
last precise sep
29.997
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15462+1525 STF1970 AB 1999 37 264 30.9 3.66 9.96 A2IV N D 154611.21+152518.9
15462+1525 STF1970 AB 2009 38 264 31.1 3.66 9.96 A2IV N D 154611.21+152518.9
15462+1525 STF1970 AB 2011 43 264 30.6 3.66 9.96 A2IV N D 154611.21+152518.9
15462+1525 STF1970 AB 2012 45 263 31.3 3.66 9.96 A2IV N D 154611.21+152518.9
15462+1525 STF1970 AB 2013 46 264 30.3 3.66 9.96 A2IV N D 154611.21+152518.9
15462+1525 STF1970 AB 2014 47 264 30.5 3.66 9.96 A2IV N D 154611.21+152518.9
15462+1525 STF1970 AB 2015 48 264 30.0 3.66 9.96 A2IV N D 154611.21+152518.9

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