21377+0637 STFA 56AB (3 Peg)

 
 
21h 37m 43.64s +06 37' 06.2" P.A. 349 sep 39.2 mag 6.18,7.50 Sp A2V
 
 
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
2017
Obs
74
Pa first
353
Pa last
349
P.A. Now (θ)
349°
Sep first
34.7
Sep last
39.2
Sep. Now (ρ)
39.2"
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 2017 74 349 39.2 6.18 7.50 1.32 <===
Show 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
348.8
Precise sep
39.16
Name
3 Peg
Cdsa2 id
STFA 56 AB
Constellation
Pegasus
SAO
126940
HD
205811
HR
8265
Flamsteed
3 Pegasi
Flamsteed name
3 Peg
Ra deg
21.628788888888888
De deg
6.618388888888889
last precise pa
348.8
last precise sep
39.16
 
 
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
21377+0637 STFA 56 AB 2017 74 349 39.2 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.
 
 
WDS 21377+0637 STFA 56AB - 3 PEG : NOTES
 
 
discov_num notes refcode
STFA 56 3 Peg. STTA219. A is an occultation double. B is BD+05@4829.
AB: HJL 295. HJL1986
AB: H 5 98. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
STFA (F. Struve DD - Appendix list #1) ...................
 
 
DISCOVERER
 
 
discov refcode author
STF STFA (F. Struve DD - Appendix list #1)

 
 
WDS 21377+0637 STFA 56AB - 3 PEG : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21377+0637 STFA 56AB - 3 PEG : MEASURES
 
 
No records found.

 
 
WDS 21377+0637 STFA 56AB - 3 Peg : Virtual Eyepiece
 
 

21377+0637  STFA 56 A 21377+0637  STFA 56AB sep 39.2 P.A. 349 mag 6.18,7.50 Sp A2V 21377+0637  STFA 56AC sep 85.9 P.A. 122 mag 6.18,13.93 Sp A2V virtual eyepiece
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Radius:
 
 
WDS 21377+0637 STFA 56AB - 3 Peg : Aladin DSS image @ 21h 37m 43.64s +06 37' 06.2"