21237+2519 BKO 894
21h 23m 41.40s +25° 19' 02.8" P.A. 253.00 sep 4.9 mag 12.00,13.00
| Coord 2000 |
21237+2519 |
|
Discov num |
BKO 894 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 41.40 +25 19 02.8 |
|
| Date first |
2009 |
|
Date last |
2009 |
|
Obs |
1 |
|
| Pa first |
253 |
|
Pa last |
252.7 |
|
P.A. Now (θ) |
252.7° |
|
| Sep first |
4.9 |
|
Sep last |
4.85 |
|
Sep. Now (ρ) |
4.85" |
|
| Mag pri |
12.00 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
+032 |
|
Sec motion ra |
|
|
| Pri motion dec |
+026 |
|
Sec motion dec |
|
|
| Notes |
R
(Red magnitudes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1846532648167051648 |
|
WDS 21237+2519 BKO 894 : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Bko2002 |
C - |
Ladanyi, T. & Berko, E. |
................... |
| Bko2002 |
|
Webb Soc., Double Star Circ. 10, 2002 |
|
| Bko2003 |
C u |
Ladanyi, T., Berko, E. & Vaskuti, G |
................... |
| Bko2003 |
|
Webb Soc., Double Star Circ. 11, 2003 |
|
| Bko2004 |
C u |
Berko, E., Ladanyi, T. & Vaskuti, G |
................... |
| Bko2004 |
|
Webb Soc., Double Star Circ. 12, 2004 |
|
| Bko2005 |
C u |
Berko, E., Ladanyi, T. & Vaskuti, G |
................... |
| Bko2005 |
|
Webb Soc., Double Star Circ. 13, 2005 |
|
| Bko2008 |
C u |
Berko, E. & Vaskuti, G. |
................... |
| Bko2008 |
|
Webb Soc., Double Star Circ. 16, 2008 |
|
| Bko2008b |
C u |
Berko, E. |
2008JDSO....4..144B |
| Bko2008b |
|
JDSO 4, 144, 2008 |
|
| Bko2009 |
C u |
Berko, E. |
2009JDSO....5...49B |
| Bko2009 |
|
JDSO 5, 49, 2009 |
|
| Bko2009b |
C u |
Berko, E. |
2009JDSO....5..168B |
| Bko2009b |
|
JDSO 5, 168, 2009 |
|
| Bko2009c |
C u |
Berko, E. |
................... |
| Bko2009c |
|
Webb Soc., Double Star Circ. 17, 2009 |
|
| Bko2009d |
C u |
Berko, E. |
2009JDSO....5..189B |
| Bko2009d |
|
JDSO 5, 189, 2009 |
|
| Bko2010a |
C u |
Berko, E. |
2010JDSO....6...21B |
| Bko2010a |
|
JDSO 6, 21, 2010 |
|
| Bko2010b |
C u |
Berko, E. |
................... |
| Bko2010b |
|
Webb Soc., Double Star Circ. 18, 2010 |
|
| Bko2011a |
C u |
Berko, E. |
2011JDSO....7....2B |
| Bko2011a |
|
JDSO 7, 2, 2011 |
|
| Bko2011b |
C u |
Berko, E. |
................... |
| Bko2011b |
|
Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980) |
|
| Bko2011c |
C u |
Berko, E. |
................... |
| Bko2011c |
|
Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042) |
|
| Bko2012 |
C u |
Berko, E. |
................... |
| Bko2012 |
|
Webb Soc., Double Star Circ. 20, 2012 |
|
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 21237+2519 |
BKO 894 |
|
2009 |
1 |
253 |
4.9 |
11.50 |
12.50 |
|
|
212341.40+251902.8 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 21237+2519 BKO 894 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 21237+2519 BKO 894 : MEASURES
No records found.
WDS 21237+2519 : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 21237+2519 : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
