20180+1544 CHE 284
20h 17m 58.85s +15° 43' 43.3" P.A. 339.00 sep 30.4 mag 9.45,10.13 Sp G0
Coord 2000 |
20180+1544 |
|
Discov num |
CHE 284 |
|
Comp |
|
|
Coord arcsec 2000 |
20 17 58.85 +15 43 43.3 |
|
Date first |
1910 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
339 |
|
Pa last |
339.2 |
|
P.A. Now (θ) |
339.2° |
|
Sep first |
30.1 |
|
Sep last |
30.44 |
|
Sep. Now (ρ) |
30.44" |
|
Mag pri |
9.45 |
|
Mag sec |
10.13 |
|
delta mag (ΔM) |
0.68 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
-005 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
+000 |
|
Notes |
|
|
rPM=0.779
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1808394678614524544 |
|
WDS 20180+1544 CHE 284 : NOTES
No records found.
REFERENCES
refcode |
metd |
author |
reference |
Che1908 |
Pa - |
Chevalier, Stanislas |
. |
Che1908 |
|
Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b) |
|
Che1909 |
Pa - |
Chevalier, Stanislas |
. |
Che1909 |
|
Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b) |
|
Che1910 |
Ma j |
Chevalier, Stanislas & Tsang Ziang-seng |
. |
Che1910 |
+Pa |
Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b) |
|
Che1911 |
Ma - |
Chevalier, Stanislas |
. |
Che1911 |
+Pa |
Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b) |
|
Che1925 |
Pa - |
Chevalier, Stanislas |
1925JO......8...65G |
Che1925 |
|
J. Obs. 8, 65, 1925 |
|
WDS HISTORIC DATA
coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
20180+1544 |
CHE 284 |
|
1998 |
3 |
339 |
30.3 |
9.45 |
10.13 |
|
D |
201758.85+154343.3 |
20180+1544 |
CHE 284 |
|
2008 |
4 |
339 |
30.1 |
9.45 |
10.13 |
|
D |
201758.85+154343.3 |
20180+1544 |
CHE 284 |
|
2013 |
8 |
340 |
30.0 |
9.45 |
10.13 |
|
|
201758.85+154343.3 |
20180+1544 |
CHE 284 |
|
2015 |
10 |
339 |
30.3 |
9.45 |
10.13 |
G0 |
|
201758.85+154343.3 |
If you need more information about this double, apply for a
data request form to the WDS.
WDS 20180+1544 CHE 284 : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 20180+1544 CHE 284 : MEASURES
No records found.
WDS 20180+1544 : 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 20180+1544 : ALADIN DSS IMAGE @ 20h 17m 58.85s +15° 43' 43.3"
WDS 20180+1544 CHE 284 : 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 |
|
20180+1544 |
CHE 284 |
|
339 |
30.4 |
|
Show |
|
20180+1543 |
CHE 285 |
|
17 |
7.1 |
2 |
Show |
|
20177+1539 |
CHE 278 |
|
89 |
10.5 |
6 |
Show |
|
20183+1539 |
CHE 293 |
|
354 |
24.8 |
8 |
Show |
|
20181+1552 |
CHE 289 |
|
39 |
32.5 |
9 |
Show |
|
20179+1553 |
CHE 283 |
|
80 |
24.5 |
10 |
Show |
|
20186+1548 |
CHE 295 |
|
260 |
13.6 |
11 |
Show |
|
20181+1555 |
J 553 |
|
20 |
3.7 |
11 |
Show |
|
20187+1551 |
CHE 297 |
AB |
6 |
35.1 |
13 |
Show |
|
20187+1551 |
CHE 298 |
AC |
318 |
16.9 |
13 |
Show |
|
20183+1556 |
CHE 292 |
|
181 |
15.7 |
13 |
Show |
|
20187+1551 |
CHE 298 |
BC |
213 |
27.0 |
14 |
Show |
|
20189+1546 |
CHE 301 |
|
296 |
28.1 |
14 |
Show |
|
20172+1553 |
BKO 560 |
BC |
199 |
1.4 |
15 |
Show |
|
20172+1553 |
CHE 273 |
AB |
94 |
26.8 |
15 |
Show |
|
20178+1530 |
CHE 280 |
|
230 |
27.7 |
15 |
Show |
|
20190+1540 |
BPM2103 |
|
173 |
15.0 |
15 |
Show |
|
20170+1538 |
CHE 269 |
|
285 |
26.9 |
15 |
Show |
|
20171+1536 |
CHE 272 |
|
104 |
17.4 |
16 |
Show |
|
20168+1543 |
CHE 266 |
|
51 |
36.5 |
17 |
Show |
|
20180+1526 |
CHE 286 |
|
92 |
25.9 |
19 |
Show |
|
20188+1530 |
TOB 319 |
AB |
65 |
14.9 |
19 |
Show |
|
20188+1530 |
CHE 299 |
AC |
329 |
37.6 |
19 |
Show |
|
20186+1600 |
BPM2102 |
|
47 |
72.1 |
19 |
Show |
|
20182+1604 |
CHE 291 |
|
275 |
8.3 |
21 |
Show |
|
20190+1530 |
BKO 563 |
|
147 |
9.2 |
21 |
Show |
|
20181+1605 |
BKO 561 |
|
91 |
5.8 |
22 |
Show |
|
20171+1601 |
CHE 271 |
|
34 |
26.3 |
22 |
Show |
|
20194+1534 |
TOB 310 |
|
239 |
16.3 |
23 |
Show |
|
20174+1522 |
CHE 276 |
|
261 |
18.0 |
24 |
Show |
|
20190+1526 |
BPM2104 |
|
293 |
93.0 |
24 |
Show |
|
20171+1604 |
CHE 270 |
|
103 |
16.1 |
24 |
Show |
|
20179+1520 |
SMA 116 |
|
159 |
9.7 |
25 |
Show |
|
20189+1524 |
CHE 302 |
|
129 |
23.7 |
25 |
Show |
|
20178+1520 |
CHE 281 |
|
316 |
17.7 |
25 |
Show |
|
20195+1533 |
HDS2905 |
|
116 |
0.3 |
25 |
Show |
|
20163+1538 |
CHE 261 |
AB |
41 |
18.3 |
26 |
Show |
|
20163+1538 |
CHE 261 |
AC |
111 |
23.8 |
26 |
Show |
|
20181+1519 |
CHE 290 |
|
153 |
10.2 |
26 |
Show |
|
20185+1519 |
BPM2100 |
|
115 |
114.5 |
26 |
Show |
|
20165+1601 |
BKO 559 |
|
36 |
4.8 |
27 |
Show |
|
20162+1534 |
CHE 257 |
|
38 |
29.0 |
27 |
Show |
|
20168+1523 |
CHE 267 |
|
18 |
36.5 |
28 |
Show |
|
20162+1535 |
CHE 256 |
|
48 |
27.3 |
28 |
Show |
|
20198+1550 |
STE 2 |
|
164 |
8.1 |
28 |
Show |
|
20161+1553 |
CHE 254 |
AB |
133 |
26.6 |
29 |
Show |
|
20161+1553 |
BKO 556 |
AC |
313 |
10.2 |
29 |
Show |
|
20161+1537 |
CHE 255 |
|
216 |
24.6 |
29 |
Show |
|
20166+1603 |
CHE 264 |
|
35 |
28.3 |
29 |
Show |
|
20161+1552 |
BKO 557 |
|
347 |
5.6 |
29 |
Show |
|
20165+1602 |
BKO 558 |
|
137 |
6.2 |
29 |
|
|
WDS 20180+1544 : COMPONENTS
20180+1544 A
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201758.85+154343.3 |
|
Mag |
9.45 |
|
Spectral class |
G0 (yellow) |
|
PmRA |
-5.00 |
|
PmDE |
-6.0 |
|
20180+1544 B
Componente originario normalizzato |
AB |
|
Coord arcsec 2000 |
201758.13+154411.8 |
|
Mag |
10.13 |
|
PmRA |
-6.00 |
|
PmDE |
0.0 |
|
Calc delta mag |
0.68 |
|
Calc coord |
yes |
|