21377+0637 STFA 56AB (3 Peg)

 
 
21h 37m 43.64s +06 37' 06.2" P.A. 348 sep 39.3 mag 6.18,7.50 Sp A2V dist. 87.64 pc (285.88 l.y.)
 
 
Coord 2000
21377+0637
Discov num
STFA 56
Comp
AB
Coord arcsec 2000
21 37 43.64 +06 37 06.2
Date first
1782
Date last
2016
Obs
72
Pa first
353
Pa last
348
P.A. Now (θ)
348°
Sep first
34.7
Sep last
39.3
Sep. Now (ρ)
39.3"
Mag pri
6.18
Mag sec
7.50
delta mag (ΔM)
1.32
Spectral class
A2V (white)
Pri motion ra
+058
Sec motion ra
+056
Pri motion dec
-002
Sec motion dec
-001
Notes
N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
rPM=0.039 (< 0.3, Physical double)
This double is physical.
 
 
21377+0637 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 3 Peg 126940 21377+0637 STFA 56 AB 1782 2016 72 348 39.3 6.18 7.50 1.32 <===
Show 126940 21377+0637 STFA 56 AC 1911 2012 5 122 85.9 6.18 13.93 7.75
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
348.3
Precise sep
39.307
Name
3 Peg
Constellation
Pegasus
SAO
126940
HIP
106783
Tycho2
0555-01661-1
HD
205811
HR
8265
GC
30270
BD
BD+05 4830
Flamsteed
3 Pegasi
Flamsteed name
3 Peg
Distance
87.64
Distance ly
285.88
last precise pa
348.3
last precise sep
39.307
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21377+0637 STFA 56 AB 2007 57 349 39.8 6.18 7.50 A2V NZDV 213743.64+063706.2
21377+0637 STFA 56 AB 2008 58 348 39.0 6.18 7.50 A2V NZDV 213743.64+063706.2
21377+0637 STFA 56 AB 2010 61 348 39.1 6.18 7.50 A2V NZDV 213743.64+063706.2
21377+0637 STFA 56 AB 2011 62 348 39.1 6.18 7.50 A2V NZDV 213743.64+063706.2
21377+0637 STFA 56 AB 2012 65 347 39.1 6.18 7.50 A2V NZDV 213743.64+063706.2
21377+0637 STFA 56 AB 2014 70 348 39.1 6.18 7.50 A2V NZDV 213743.64+063706.2
21377+0637 STFA 56 AB 2015 71 349 38.9 6.18 7.50 A2V NZ V 213743.64+063706.2
21377+0637 STFA 56 AB 2016 72 348 39.3 6.18 7.50 A2V NZ V 213743.64+063706.2

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