20442+1209 BPM 2240

 
 
20h 44m 12.07s +12° 09' 28.4" P.A. 148.00 sep 55.1 mag 14.01,15.80
 
 
Coord 2000 20442+1209 Discov num BPM2240 Comp Coord arcsec 2000 20 44 12.07 +12 09 28.4
Date first 1994 Date last 2015 Obs 8
Pa first 148 Pa last 147.5 P.A. Now (θ) 147.5°
Sep first 55.2 Sep last 55.051 Sep. Now (ρ) 55.051"
Mag pri 14.01 Mag sec 15.80 delta mag (ΔM) 1.79 Spectral class
Pri motion ra -008 Sec motion ra -004
Pri motion dec -018 Sec motion dec -002
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.837
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1754957348346903168
 
 
WDS 20442+1209 BPM 2240 : NOTES
 
 
discov_num notes refcode
BPM2240 [PM2000] 2381758 + [PM2000] 2381888. Gvr2010
 
 
REFERENCES
 
 
refcode metd author reference
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
 
 
idgroup discov author
1 BPM Bordeaux PM2000 catalogue (main catalog: separation < 2')
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20442+1209 BPM2240 1998 2 148 55.0 14.10 15.84 NV 204412.07+120928.4
20442+1209 BPM2240 2001 3 148 55.0 14.10 15.84 NV 204412.07+120928.4
20442+1209 BPM2240 2010 4 148 55.0 14.01 15.80 NV 204412.07+120928.4
20442+1209 BPM2240 2015 5 148 55.1 14.01 15.80 NV 204412.07+120928.4

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WDS 20442+1209 BPM 2240 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20442+1209 BPM 2240 : MEASURES
 
 
No records found.

 
 
WDS 20442+1209 : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 20442+1209 : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.