20172-2516 HJ 2942
20h 17m 11.53s -25° 15' 35.5" P.A. 223.00 sep 11.6 mag 10.62,10.38
Coord 2000 |
20172-2516 |
|
Discov num |
HJ 2942 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 11.53 -25 15 35.5 |
|
Date first |
1830 |
|
Date last |
2015 |
|
Obs |
10 |
|
Pa first |
212 |
|
Pa last |
223.1 |
|
P.A. Now (θ) |
223.1° |
|
Sep first |
12.5 |
|
Sep last |
11.565 |
|
Sep. Now (ρ) |
11.565" |
|
Mag pri |
10.62 |
|
Mag sec |
10.38 |
|
delta mag (ΔM) |
0.24 |
|
Spectral class |
|
|
Pri motion ra |
+010 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-023 |
|
Sec motion dec |
-003 |
|
Notes |
|
|
rPM=0.845
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Capricornus |
|
Gaia DR2 |
6847633215200212352 |
|
WDS 20172-2516 HJ 2942 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
HJ_1826 |
Mb - |
Herschel, J.F.W. |
1826MmRAS...2..459H |
HJ_1826 |
|
MemRAS 2, 459, 1826 |
|
HJ_1829a |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3...47H |
HJ_1829a |
|
MemRAS 3, 47, 1829 |
|
HJ_1829b |
Mb - |
Herschel, J.F.W. |
1829MmRAS...3..177H |
HJ_1829b |
|
MemRAS 3, 177, 1829 |
|
HJ_1831 |
Ma - |
Herschel, J.F.W. |
1831MmRAS...4..331H |
HJ_1831 |
+Mb |
MemRAS 4, part 2, 331, 1831 |
|
HJ_1833a |
Ma - |
Herschel, J.F.W. |
1833MmRAS...5...13H |
HJ_1833a |
+Mb |
MemRAS 5, 13, 1833 |
|
HJ_1833b |
orb - |
Herschel, J.F.W. |
1833MmRAS...5..171H |
HJ_1833b |
|
MemRAS 5, 171, 1833 |
|
HJ_1833c |
Mb - |
Herschel, J.F.W. |
1833MmRAS...6....1H |
HJ_1833c |
|
MemRAS 6, 1, 1833 |
|
HJ_1833d |
orb - |
Herschel, J.F.W. |
1833MmRAS...6..149H |
HJ_1833d |
|
MemRAS 6, 149, 1833 |
|
HJ_1835 |
Ma - |
Herschel, J.F.W. |
1835MmRAS...8...37H |
HJ_1835 |
+Mb |
MemRAS 8, 37, 1835 |
|
HJ_1836 |
Mb - |
Herschel, J.F.W. |
1836MmRAS...9..193H |
HJ_1836 |
|
MemRAS 9, 193, 1836 |
|
HJ_1847a |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847a |
+Mb |
Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838) |
|
HJ_1847b |
Ma j |
Herschel, J.F.W. |
. |
HJ_1847b |
|
Cape Results, London, 1847 |
|
HJ_1850 |
orb - |
Herschel, J.F.W. |
1850MmRAS..18...47H |
HJ_1850 |
|
MemRAS 18, 47, 1850 |
|
HJ_1870 |
Mb - |
Herschel, J.F.W. |
1870MmRAS..38....1H |
HJ_1870 |
|
MemRAS 38, 1, 1870 |
|
HJ_1874A |
- |
Herschel, J.F.W. |
1874MNRAS..35...28B |
HJ_1874A |
|
cited by Burnham (MNRAS 35, 28, 1874) |
|
HJ_1875A |
Ma - |
Herschel, J.F.W. |
1875AN.....85..323D |
HJ_1875A |
+Mb |
cited by Doberck, 1875 (see Dob1875b,f,g,h) |
|
HJ_1880A |
Ma - |
Herschel, J.F.W. |
1880Obs.....3..508G |
HJ_1880A |
+Mb |
cited by Gledhill (Obs 3, 508, 1880) |
|
HJ_1880B |
Mb - |
Herschel, J.F.W. |
1880MNRAS..40..497B |
HJ_1880B |
|
cited by Burnham (MNRAS 40, 497, 1880) |
|
HJ_1897A |
Ma j |
Herschel, J.F.W. |
1897MNRAS..57..541S |
HJ_1897A |
|
cited by See (MNRAS 57, 541, 1897) |
|
HJ_1905A |
Ma - |
Herschel, J.F.W. |
1905LicOB...3..147A |
HJ_1905A |
+Mb |
cited by Aitken (Lick Obs. Bull. 3, 147, 1905) |
|
HJ_1906A |
Ma - |
Herschel, J.F.W. |
1906MmRAS..56....1L |
HJ_1906A |
+Mb |
cited by Lewis (MemRAS 56, 1, 1906) |
|
HJ_1906B |
Ma - |
Herschel, J.F.W. |
1906QB821.B972..... |
HJ_1906B |
+Mb |
cited in BDS (Burnham Double Star Cat.), 1906 |
|
HJ_1927A |
Mb - |
Herschel, J.F.W. |
1927sdsc.book...... |
HJ_1927A |
|
cited in SDS (Southern Double Star Catalog), 1927 |
|
HJ_1932A |
Mb - |
Herschel, J.F.W. |
1932QB821.A43...... |
HJ_1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
HJ_9999 |
M j |
Herschel, J.F.W. |
................... |
HJ_9999 |
+Ma |
Unpublished, manuscript or reference not found. |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20172-2516 |
HJ 2942 |
|
1998 |
7 |
222 |
11.8 |
10.40 |
10.90 |
|
D |
201711.53-251535.5 |
20172-2516 |
HJ 2942 |
|
1999 |
8 |
222 |
11.8 |
10.40 |
10.90 |
|
D |
201711.53-251535.5 |
20172-2516 |
HJ 2942 |
|
2010 |
9 |
222 |
11.3 |
10.62 |
10.38 |
|
|
201711.53-251535.5 |
20172-2516 |
HJ 2942 |
|
2015 |
10 |
223 |
11.6 |
10.62 |
10.38 |
|
|
201711.53-251535.5 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20172-2516 HJ 2942 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20172-2516 HJ 2942 : MEASURES
No records found.
WDS 20172-2516 : 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 20172-2516 : ALADIN DSS IMAGE @ 20h 17m 11.53s -25° 15' 35.5"
WDS 20172-2516 HJ 2942 : 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 |
|
20172-2516 |
HJ 2942 |
|
223 |
11.6 |
|
Show |
|
20144-2516 |
UC 4125 |
|
304 |
30.1 |
39 |
Show |
|
20207-2447 |
RST3257 |
|
66 |
2.8 |
56 |
Show |
|
20192-2610 |
RST1067 |
|
278 |
5.0 |
62 |
Show |
|
20156-2412 |
HLD 157 |
|
239 |
2.2 |
68 |
Show |
|
20196-2415 |
UC 4146 |
|
155 |
22.8 |
69 |
Show |
|
20195-2620 |
B 476 |
|
281 |
0.4 |
73 |
Show |
|
20120-2548 |
RST1064 |
|
257 |
3.8 |
77 |
Show |
|
20212-2420 |
RST3258 |
|
134 |
1.1 |
79 |
Show |
|
20113-2533 |
TDT2063 |
|
32 |
0.5 |
83 |
Show |
|
20177-2352 |
KPP2147 |
|
316 |
17.6 |
85 |
Show |
|
20139-2631 |
HJ 2935 |
AB |
223 |
16.1 |
88 |
Show |
|
20139-2631 |
B 9039 |
AC |
34 |
22.9 |
88 |
Show |
|
20139-2631 |
B 9039 |
AD |
195 |
53.5 |
88 |
Show |
|
20139-2631 |
B 9039 |
DE |
37 |
7.1 |
88 |
Show |
|
20186-2342 |
OCC 694 |
|
-1 |
0.1 |
96 |
Show |
|
20242-2459 |
SEE 418 |
|
54 |
2.7 |
97 |
Show |
|
20101-2512 |
OCC 121 |
|
-1 |
0.1 |
97 |
Show |
|
20105-2428 |
UC 4112 |
|
236 |
52.7 |
103 |
Show |
|
20097-2532 |
B 468 |
AB |
359 |
4.6 |
104 |
Show |
|
20250-2452 |
UC 4172 |
|
304 |
15.6 |
109 |
Show |
|
20252-2506 |
UC 4174 |
|
145 |
39.1 |
110 |
Show |
|
20228-2642 |
TDT2222 |
|
22 |
0.6 |
115 |
Show |
|
20139-2328 |
KPP 908 |
|
192 |
7.5 |
117 |
Show |
|
20240-2630 |
UC 4166 |
|
332 |
59.9 |
119 |
Show |
|
20090-2434 |
TDT2024 |
|
87 |
0.6 |
119 |
Show |
|
20228-2649 |
B 480 |
|
168 |
1.1 |
121 |
Show |
|
20236-2644 |
HO 456 |
|
194 |
13.2 |
124 |
Show |
|
20091-2613 |
MET 88 |
AB |
148 |
10.4 |
124 |
Show |
|
20091-2613 |
MET 88 |
AC |
224 |
10.8 |
124 |
Show |
|
20091-2613 |
VIG 19 |
AD |
140 |
4.8 |
124 |
Show |
|
20091-2613 |
VIG 19 |
AE |
74 |
7.6 |
124 |
Show |
|
20091-2613 |
VIG 19 |
AF |
352 |
8.1 |
124 |
Show |
|
20091-2613 |
VIG 19 |
AG |
305 |
9.0 |
124 |
Show |
|
20091-2613 |
VIG 19 |
AH |
75 |
12.3 |
124 |
Show |
|
20084-2435 |
B 467 |
|
215 |
0.5 |
127 |
Show |
|
20208-2720 |
SEE 414 |
|
53 |
2.2 |
134 |
Show |
|
20071-2509 |
TDT1993 |
|
73 |
0.5 |
138 |
Show |
|
20271-2438 |
B 483 |
|
57 |
4.4 |
141 |
Show |
|
20107-2716 |
BRT3090 |
|
243 |
4.7 |
149 |
Show |
|
20265-2638 |
HWE 54 |
|
59 |
2.8 |
151 |
Show |
|
20257-2341 |
HJ 2957 |
AB |
276 |
15.0 |
151 |
Show |
|
20257-2341 |
DAW 227 |
AC |
56 |
19.7 |
151 |
Show |
|
20163-2748 |
LDS5902 |
|
297 |
281.0 |
154 |
Show |
|
20185-2749 |
B 475 |
|
346 |
4.0 |
155 |
Show |
|
20059-2455 |
TDT1972 |
|
211 |
2.9 |
155 |
Show |
|
20068-2620 |
TDT1988 |
|
252 |
0.6 |
156 |
Show |
|
20191-2242 |
ARA2271 |
|
345 |
12.6 |
157 |
Show |
|
20084-2700 |
I 1413 |
|
83 |
4.5 |
158 |
Show |
|
20202-2750 |
SEE 416 |
AB |
248 |
1.1 |
160 |
Show |
|
20202-2750 |
SEE 416 |
AB,C |
261 |
25.0 |
160 |
|
|
WDS 20172-2516 : COMPONENTS
20172-2516 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201711.53-251535.5 |
|
Mag |
10.62 |
|
PmRA |
10.00 |
|
PmDE |
-23.0 |
|
20172-2516 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201711.00-251543.9 |
|
Mag |
10.38 |
|
PmRA |
3.00 |
|
PmDE |
-3.0 |
|
Calc delta mag |
0.24 |
|
Calc coord |
yes |
|