20588+1701 BPM2305

 
 
20h 58m 49.34s +17 00' 44.5" P.A. 249 sep 72.7 mag 11.31,15.69
 
 
Coord 2000
20588+1701
Discov num
BPM2305
Comp
Coord arcsec 2000
20 58 49.34 +17 00 44.5
Date first
1991
Date last
2010
Obs
4
Pa first
249
Pa last
249
P.A. Now (θ)
249°
Sep first
74.0
Sep last
72.7
Sep. Now (ρ)
72.7"
Mag pri
11.31
Mag sec
15.69
delta mag (ΔM)
4.38
Spectral class
Pri motion ra
-015
Sec motion ra
-016
Pri motion dec
-013
Sec motion dec
+024
Notes
N V (See Notes, Proper motion indicates physical)
rPM=1.283
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
249.3
Precise sep
72.72
Constellation
Delphinus
last precise pa
249.3
last precise sep
72.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20588+1701 BPM2305 2000 2 249 74.1 11.31 15.82 NV 205849.34+170044.5
20588+1701 BPM2305 2001 3 249 74.1 11.31 15.82 NV 205849.34+170044.5
20588+1701 BPM2305 2010 4 249 72.7 11.31 15.69 NV 205849.34+170044.5

If you need more information about this double, apply for a data request form to the WDS.
 
 
WDS 20588+1701 BPM2305 : NOTES
 
 
discov_num notes refcode
BPM2305 [PM2000] 2431836 + [PM2000] 2431563. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
BPM Bordeaux PM2000 catalogue (main catalog: separation < 2') ...................
Gvr2010 Pa - Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C. 2010A&A...521A 4G
Gvr2010 +T A&A 521, A4, 2010
Gvr2010 (Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010 catalogs, spanning years ~1900-2000)
 
 
DISCOVERER
 
 
discov author
BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
BPM Bordeaux PM2000 catalogue (annex: 2' < separation < 5', pm > 50 mas/yr)

 
 
WDS 20588+1701 BPM2305 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20588+1701 BPM2305 : MEASURES
 
 
No records found.

 
 
WDS 20588+1701 BPM2305 : Virtual Eyepiece
 
 

20588+1701  BPM2305 A 20588+1701  BPM2305 sep 72.7 P.A. 249 mag 11.31,15.69 virtual eyepiece
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WDS 20588+1701 BPM2305 : Aladin DSS image @ 20h 58m 49.34s +17 00' 44.5"