18016-2740 TDT 641 AB (HD 316945)
18h 01m 36.35s -27° 40' 04.9" P.A. 130.00 sep 1.9 mag 9.46,11.08 Sp A2
Coord 2000 |
18016-2740 |
|
Discov num |
TDT 641 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 01 36.35 -27 40 04.9 |
|
Date first |
1991 |
|
Date last |
1991 |
|
Obs |
1 |
|
Pa first |
130 |
|
Pa last |
129.8 |
|
P.A. Now (θ) |
129.8° |
|
Sep first |
1.9 |
|
Sep last |
1.91 |
|
Sep. Now (ρ) |
1.91" |
|
Mag pri |
9.46 |
|
Mag sec |
11.08 |
|
delta mag (ΔM) |
1.62 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
Notes |
|
|
Nature of this double is uncertain.
18016-2740 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 316945 |
|
18 01 36 -27 40 05 |
TDT 641 AB |
1991 |
1 |
130 |
1.9 |
9.46 |
11.08 |
1.62 |
|
<=== |
Show |
|
|
18 01 36 -27 40 05 |
STN 38 AC |
2015 |
9 |
87 |
6.3 |
9.46 |
11.50 |
2.04 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 316945 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6850-02699-1 |
|
Gaia DR2 |
4062738315597854976 |
|
HD |
316945 |
|
WDS 18016-2740 TDT 641 AB (HD 316945) : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Stn1877 |
Ma j |
Stone, O. |
1877PCinO...3....1S |
Stn1877 |
|
Pub. Cincinnati Obs. #3, 1877 |
|
Stn1878 |
Ma - |
Stone, O. |
1878PCinO...4....1. |
Stn1878 |
|
Pub. Cincinnati Obs. #4, 1878 |
|
Stn1879 |
Ma j |
Stone, O. |
1879PCinO...5....1S |
Stn1879 |
|
Pub. Cincinnati Obs. #5, 1879 |
|
Stn1880A |
Ma - |
Stone, O. |
1880Obs.....3..314G |
Stn1880A |
|
cited by Gledhill (Obs 3, 314, 1880) |
|
Stn1882 |
Ma - |
Stone, O. |
1882PCinO...6....1S |
Stn1882 |
|
Pub. Cincinnati Obs. #6, 1882 |
|
Stn1890 |
Ma j |
Stone, O. |
1890PCinO..10....1. |
Stn1890 |
|
Pub. Cincinnati Obs. #10, 1890 |
|
Stn1906A |
Ma - |
Stone, O. |
1906MmRAS..56....1L |
Stn1906A |
|
cited by Lewis (MemRAS 56, 1, 1906) |
|
Stn1932A |
Ma - |
Stone, O. |
1932QB821.A43...... |
Stn1932A |
|
cited in ADS (Aitken Double Star Cat.), 1932 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
18016-2740 |
TDT 641 |
AB |
1991 |
1 |
130 |
1.9 |
9.46 |
11.08 |
|
|
180136.35-274004.9 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 18016-2740 TDT 641 AB (HD 316945) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 18016-2740 TDT 641 AB (HD 316945) : MEASURES
No records found.
WDS 18016-2740 (HD 316945) : 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 18016-2740 (HD 316945) : ALADIN DSS IMAGE @ 18h 01m 36.35s -27° 40' 04.9"
WDS 18016-2740 TDT 641 AB (HD 316945) : 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 |
|
18016-2740 |
TDT 641 |
AB |
130 |
1.9 |
|
Show |
|
18016-2740 |
STN 38 |
AC |
87 |
6.3 |
|
Show |
|
18020-2731 |
STN 40 |
AB |
161 |
2.4 |
11 |
Show |
|
18020-2731 |
B 2850 |
AC |
50 |
5.8 |
11 |
Show |
|
18004-2735 |
RST2016 |
|
121 |
0.9 |
17 |
Show |
|
18009-2726 |
RST2018 |
|
343 |
1.8 |
18 |
Show |
|
18029-2750 |
HDS2541 |
Aa,Ab |
38 |
0.3 |
20 |
Show |
|
18029-2750 |
B 2428 |
AB |
42 |
9.6 |
20 |
Show |
|
18018-2805 |
RST2020 |
|
171 |
3.4 |
26 |
Show |
|
18035-2738 |
TDT 660 |
|
208 |
0.7 |
26 |
Show |
|
18034-2754 |
BRT3056 |
|
171 |
4.5 |
28 |
Show |
|
17598-2801 |
RST2015 |
|
197 |
0.8 |
33 |
Show |
|
18028-2705 |
HLD 32 |
AB |
101 |
5.2 |
39 |
Show |
|
18028-2705 |
FOX 218 |
AC |
67 |
41.9 |
39 |
Show |
|
18032-2707 |
J 1592 |
AB |
351 |
8.0 |
40 |
Show |
|
18032-2707 |
J 1592 |
AC |
12 |
21.2 |
40 |
Show |
|
18021-2820 |
BRT3055 |
|
48 |
4.9 |
41 |
Show |
|
18045-2729 |
SKF2549 |
|
239 |
5.5 |
41 |
Show |
|
18007-2823 |
OCC9173 |
|
-1 |
0.0 |
45 |
Show |
|
17592-2708 |
OCC 703 |
Aa,Ab |
-1 |
0.1 |
46 |
Show |
|
17592-2708 |
B 368 |
AB |
81 |
3.6 |
46 |
Show |
|
17587-2808 |
TDT 608 |
|
245 |
1.3 |
48 |
Show |
|
18050-2806 |
J 1593 |
|
149 |
9.1 |
52 |
Show |
|
18051-2707 |
OCC 90 |
|
-1 |
0.1 |
57 |
Show |
|
18050-2705 |
OCC 89 |
|
-1 |
0.1 |
58 |
Show |
|
17581-2816 |
BRT3052 |
|
77 |
5.2 |
59 |
Show |
|
18035-2643 |
BRT3057 |
|
184 |
4.3 |
63 |
Show |
|
17597-2839 |
B 370 |
|
70 |
2.2 |
64 |
Show |
|
18005-2844 |
BRT3054 |
|
184 |
3.0 |
66 |
Show |
|
17598-2637 |
BRT3053 |
|
154 |
4.3 |
67 |
Show |
|
17567-2804 |
OCC 109 |
|
-1 |
0.1 |
70 |
Show |
|
17592-2842 |
SKF2547 |
|
93 |
5.6 |
70 |
Show |
|
17570-2708 |
OCC 801 |
|
-1 |
0.1 |
70 |
Show |
|
18060-2659 |
I 1017 |
|
84 |
2.1 |
72 |
Show |
|
18042-2846 |
BRT3058 |
AB |
63 |
4.8 |
75 |
Show |
|
18042-2846 |
AAQ 4 |
AC |
37 |
5.8 |
75 |
Show |
|
17562-2714 |
I 1346 |
|
204 |
0.8 |
77 |
Show |
|
17589-2850 |
B 2848 |
|
227 |
4.9 |
78 |
Show |
|
18053-2841 |
B 374 |
|
159 |
3.7 |
79 |
Show |
|
17557-2733 |
KPP2761 |
|
9 |
3.4 |
79 |
Show |
|
18070-2706 |
OCC 88 |
|
-1 |
0.1 |
80 |
Show |
|
17573-2645 |
SKF2527 |
|
322 |
4.3 |
80 |
Show |
|
17557-2805 |
I 109 |
|
240 |
5.4 |
82 |
Show |
|
18028-2617 |
B 373 |
|
325 |
5.8 |
85 |
Show |
|
17596-2903 |
SKF2548 |
|
74 |
7.7 |
87 |
Show |
|
18016-2612 |
TDT 640 |
|
316 |
0.4 |
89 |
Show |
|
18008-2611 |
I 1016 |
|
26 |
1.6 |
90 |
Show |
|
18014-2911 |
RST2019 |
|
165 |
0.5 |
92 |
Show |
|
18086-2752 |
BU 244 |
Ba,Bb |
154 |
0.1 |
94 |
Show |
|
18086-2752 |
BU 244 |
AB |
270 |
2.2 |
94 |
Show |
|
17586-2909 |
RST2011 |
|
189 |
4.1 |
98 |
|
|
WDS 18016-2740 : COMPONENTS
|
A |
B |
B |
pa=133.3°
sep=1.78"
| |
C |
pa=86.8°
sep=5.58"
| pa=70.3°
sep=4.54"
|
18016-2740 A
Name |
HD 316945 |
|
Coord arcsec 2000 |
180136.35-274004.9 |
|
Mag |
9.46 |
|
Spectral class |
A2 (white) |
|
PmRA |
7.00 |
|
PmDE |
-2.0 |
|
Tycho2 |
6850-02699-1 |
|
HD |
316945 |
|
Tycho2 |
6850-02699-1 |
|
Pflag |
|
|
RAmdeg |
270.40145679 |
|
DEmdeg |
-27.66803134 |
|
PmRA |
6.6 |
|
PmDE |
-1.7 |
|
E RAmdeg |
12 |
|
E DEmdeg |
16 |
|
E pmRA |
2.5 |
|
E pmDE |
2.2 |
|
EpRAm |
1991.54 |
|
EpDEm |
1991.23 |
|
Num |
3 |
|
Q RAmdeg |
0.5 |
|
Q DEmdeg |
1.0 |
|
Q pmRA |
0.5 |
|
Q pmDE |
1.0 |
|
BTmag |
9.592 |
|
E BTmag |
0.023 |
|
VTmag |
9.448 |
|
E VTmag |
0.024 |
|
Prox |
616 |
|
TYC |
T |
|
HIP |
|
|
CCDM |
|
|
RAdeg |
270.40143944 |
|
DEdeg |
-27.66802750 |
|
EpRA 1990 |
1.83 |
|
EpDE 1990 |
1.88 |
|
E RAdeg |
11.5 |
|
E DEdeg |
16.1 |
|
Posflg |
|
|
Corr |
0.1 |
|
18016-2740 B
Coord arcsec 2000 |
180136.45-274006.1 |
|
Mag |
11.08 |
|
PmRA |
7.00 |
|
PmDE |
-2.0 |
|
Calc delta mag |
1.62 |
|
Calc coord |
yes |
|
18016-2740 C
Coord arcsec 2000 |
180136.77-274004.6 |
|
Mag |
11.5 |
|
PmRA |
42.00 |
|
PmDE |
19.0 |
|
Calc delta mag |
2.04 |
|
Calc coord |
yes |
|