20515+2444 BKO 878 BC
20h 51m 29.44s +24° 44' 32.2" P.A. 230.00 sep 7.4 mag 12.50,14.50
Coord 2000 |
20515+2444 |
|
Discov num |
BKO 878 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 51 29.44 +24 44 32.2 |
|
Date first |
1999 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
231 |
|
Pa last |
230.3 |
|
P.A. Now (θ) |
230.3° |
|
Sep first |
7.4 |
|
Sep last |
7.43 |
|
Sep. Now (ρ) |
7.43" |
|
Mag pri |
12.50 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
Sec motion ra |
-025 |
|
Pri motion dec |
+008 |
|
Sec motion dec |
-019 |
|
Notes |
|
|
rPM=1.172
This double is not physical.
20515+2444 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 51 30 +24 44 28 |
POU 5048 AB |
2015 |
9 |
304 |
8.4 |
12.30 |
12.50 |
0.20 |
|
|
Show |
|
|
20 51 29 +24 44 32 |
BKO 878 BC |
2015 |
8 |
230 |
7.4 |
12.50 |
14.50 |
2.00 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Vulpecula |
|
Gaia DR2 |
1842924154084745728 |
|
WDS 20515+2444 BKO 878 BC : 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 |
|
Pou1933 |
Pa - |
Pourteau, M. A. |
. |
Pou1933 |
|
Cat. des etoiles doubles de la zone +24deg de la carte photog. du ciel, 1933 |
|
Pou1933 |
|
(Obs. de Paris, H. Tessier) [QB821.P7] |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20515+2444 |
BKO 878 |
BC |
2009 |
1 |
227 |
7.3 |
12.50 |
14.50 |
|
|
205129.44+244432.2 |
20515+2444 |
BKO 878 |
BC |
2015 |
5 |
230 |
7.4 |
12.50 |
14.50 |
|
|
205129.44+244432.2 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20515+2444 BKO 878 BC : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20515+2444 BKO 878 BC : MEASURES
No records found.
WDS 20515+2444 : VIRTUAL EYEPIECE
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
|
WDS 20515+2444 : ALADIN DSS IMAGE @ 20h 51m 29.44s +24° 44' 32.2"
WDS 20515+2444 BKO 878 BC : NEIGHBORHOODS
|
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
|
Show |
name |
coord_2000 |
discov# |
comp |
pa |
sep |
dist(') |
Show |
|
20515+2444 |
BKO 878 |
BC |
230 |
7.4 |
|
Show |
|
20515+2444 |
POU5048 |
AB |
304 |
8.4 |
1 |
Show |
|
20516+2440 |
BKO 879 |
|
158 |
5.1 |
5 |
Show |
|
20511+2457 |
POU5044 |
|
314 |
12.9 |
15 |
Show |
|
20516+2429 |
POU5049 |
|
107 |
14.7 |
17 |
Show |
|
20516+2426 |
BKO 880 |
|
216 |
6.1 |
19 |
Show |
|
20513+2426 |
BKO 877 |
AB |
276 |
5.5 |
19 |
Show |
|
20529+2453 |
POU5053 |
|
185 |
14.3 |
21 |
Show |
|
20499+2454 |
POU5035 |
|
54 |
9.8 |
24 |
Show |
|
20518+2509 |
POU5050 |
|
326 |
18.5 |
25 |
Show |
|
20499+2456 |
BKO 870 |
|
235 |
8.3 |
25 |
Show |
|
20496+2444 |
POU5027 |
|
179 |
14.2 |
26 |
Show |
|
20513+2511 |
POU5045 |
|
314 |
13.7 |
28 |
Show |
|
20503+2507 |
POU5039 |
|
84 |
10.8 |
29 |
Show |
|
20493+2440 |
BKO 867 |
|
349 |
4.6 |
31 |
Show |
|
20506+2512 |
POU5041 |
|
177 |
14.2 |
31 |
Show |
|
20499+2422 |
POU5033 |
|
279 |
7.1 |
31 |
Show |
|
20532+2508 |
POU5054 |
|
315 |
10.5 |
32 |
Show |
|
20497+2507 |
BKO 868 |
|
276 |
9.7 |
33 |
Show |
|
20491+2442 |
BKO 866 |
|
114 |
2.3 |
33 |
Show |
|
20499+2508 |
POU5030 |
|
343 |
4.5 |
33 |
Show |
|
20501+2512 |
POU5038 |
|
342 |
16.2 |
34 |
Show |
|
20499+2510 |
POU5029 |
|
20 |
12.3 |
34 |
Show |
|
20490+2439 |
POU5018 |
|
282 |
23.1 |
35 |
Show |
|
20503+2518 |
POU5040 |
|
290 |
18.9 |
38 |
Show |
|
20488+2446 |
POU5013 |
|
354 |
14.7 |
38 |
Show |
|
20487+2442 |
BKO 863 |
|
277 |
4.3 |
38 |
Show |
|
20543+2441 |
POU5055 |
|
202 |
9.2 |
38 |
Show |
|
20492+2504 |
POU5020 |
|
68 |
4.0 |
38 |
Show |
|
20488+2449 |
POU5010 |
|
222 |
3.3 |
39 |
Show |
|
20499+2412 |
POU5031 |
AB |
320 |
17.8 |
39 |
Show |
|
20499+2412 |
POU5032 |
AC |
311 |
16.4 |
39 |
Show |
|
20490+2504 |
BKO 864 |
|
313 |
9.1 |
39 |
Show |
|
20500+2412 |
BKO 875 |
|
167 |
4.5 |
40 |
Show |
|
20486+2444 |
BKO 860 |
|
300 |
8.6 |
40 |
Show |
|
20525+2522 |
POU5052 |
|
323 |
15.8 |
40 |
Show |
|
20492+2510 |
POU5021 |
|
355 |
6.0 |
41 |
Show |
|
20488+2427 |
POU5014 |
|
141 |
13.2 |
41 |
Show |
|
20491+2509 |
BKO 865 |
|
101 |
8.9 |
41 |
Show |
|
20500+2508 |
BKO 874 |
|
254 |
12.5 |
41 |
Show |
|
20485+2444 |
POU5007 |
|
160 |
3.6 |
42 |
Show |
|
20495+2516 |
POU5025 |
|
80 |
8.6 |
42 |
Show |
|
20507+2525 |
BKO 876 |
|
65 |
8.2 |
43 |
Show |
|
20499+2408 |
BKO 871 |
|
266 |
11.4 |
43 |
Show |
|
20499+2407 |
BKO 872 |
|
93 |
11.8 |
44 |
Show |
|
20486+2428 |
POU5009 |
AB |
183 |
14.8 |
44 |
Show |
|
20486+2428 |
BKO 861 |
BC |
225 |
2.0 |
44 |
Show |
|
20487+2507 |
BKO 862 |
|
55 |
7.9 |
44 |
Show |
|
20507+2527 |
POU5042 |
|
344 |
7.4 |
44 |
Show |
|
20485+2501 |
POU5008 |
|
312 |
7.8 |
45 |
Show |
|
20484+2422 |
POU5005 |
|
62 |
13.9 |
46 |
|
|
WDS 20515+2444 : COMPONENTS
|
A |
B |
B |
pa=303.0°
sep=8.45"
| |
C |
pa=269.3°
sep=12.28"
| pa=227.6°
sep=7.03"
|
20515+2444 A
Coord arcsec 2000 |
205129.96+244427.6 |
|
Mag |
12.3 |
|
PmRA |
-8.00 |
|
PmDE |
-1.0 |
|
20515+2444 B
Coord arcsec 2000 |
205129.44+244432.2 |
|
Coord calc |
205129.44+244432.2 |
|
Mag |
12.5 |
|
PmRA |
0.00 |
|
PmDE |
8.0 |
|
Calc delta mag |
0.2 |
|
20515+2444 C
Coord arcsec 2000 |
205129.06+244427.5 |
|
Mag |
14.5 |
|
PmRA |
-25.00 |
|
PmDE |
-19.0 |
|
Calc delta mag |
2.2 |
|
Calc coord |
yes |
|