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Doubles in session


Current system
21423+0021
CHE 312


Nearby doubles
6' : 21424+0027
STF2817AB

8' : 21426+0027
WAA9001

9' : 21426-0013
UC 4535

10' : 21417-0024
UC 4532

11' : 21428+0028
CHE 313

13' : 21416+0013
CHE 308

18' : 21417-0036
J 1409

18' : 21424+0037
BAL1236AB

20' : 21427-0039
WAA9002

20' : 21422+0040
CHE 311

24' : 21409-0035
J 1408

25' : 21415+0000
CHE 307

25' : 21435+0003
CHE 314

27' : 21437+0030
CHE 315

27' : 21406-0018
AOT 106

27' : 21406-0023
CVR 914

34' : 21444+0008
CHE 316

34' : 21404+0034
SMA 151

35' : 21404+0003
AOT 105

36' : 21435+0052
WAA9003

39' : 21421+0059
CHE 310

40' : 21447-0003
CHE 317

40' : 21406+0051
SLW1247

42' : 21451+0022
SLW1252

44' : 21452-0030
TOK 348

44' : 21421+0104
CHE 309



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21423+0021 CHE 312

 
 
21h 42m 20.30s +00° 20' 58.5" P.A. 282.00 sep 24.0 mag 13.91,14.44
 
 
Coord 2000 21423+0021 Discov num CHE 312 Comp Coord arcsec 2000 21 42 20.30 +00 20 58.5
Date first 1907 Date last 2015 Obs 9
Pa first 279 Pa last 281.8 P.A. Now (θ) 281.8°
Sep first 23.6 Sep last 24.019 Sep. Now (ρ) 24.019"
Mag pri 13.91 Mag sec 14.44 delta mag (ΔM) 0.53 Spectral class
Pri motion ra +011 Sec motion ra +008
Pri motion dec -009 Sec motion dec +004
Notes
rPM=0.939
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquarius Gaia DR2 2687233429334591744
 
 
WDS 21423+0021 CHE 312 : 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
21423+0021 CHE 312 2000 2 102 24.0 11.90 12.20 D 214218.73+002103.3
21423+0021 CHE 312 2010 5 282 24.1 13.91 14.44 214220.30+002058.5
21423+0021 CHE 312 2015 6 282 24.0 13.91 14.44 214220.30+002058.5

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 21423+0021 CHE 312 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21423+0021 CHE 312 : MEASURES
 
 
No records found.

 
 
WDS 21423+0021 : VIRTUAL EYEPIECE
 
 

21423+0021 CHE 312A mag 13.91 21423+0021 CHE 312B sep 24.0 P.A. 281.80 mag 14.44 virtual eyepiece
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Radius:
Components only
 
 
WDS 21423+0021 : ALADIN DSS IMAGE @ 21h 42m 20.30s +00° 20' 58.5"
 
 
 
 
WDS 21423+0021 CHE 312 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21423+0021 CHE 312 distance=0' 21424+0027 AOT 107BC distance=6' 21424+0027 STF2817AB distance=6' 21424+0027 AOT 107AC distance=6' 21426+0027 WAA9001 distance=8' 21426-0013 UC 4535 distance=9' 21417-0024 UC 4532 distance=10' 21428+0028 CHE 313 distance=11' 21416+0013 CHE 308 distance=13' 21417-0036 J 1409 distance=18' 21424+0037 SMA 152AC distance=18' 21424+0037 BAL1236AB distance=18' 21424+0037 SMA 152BC distance=18' 21427-0039 WAA9002 distance=20' 21422+0040 CHE 311 distance=20' 21409-0035 J 1408 distance=24' 21415+0000 CHE 307 distance=25' 21435+0003 CHE 314 distance=25' 21437+0030 CHE 315 distance=27' 21406-0018 AOT 106 distance=27' 21406-0023 CVR 914 distance=27' 21444+0008 CHE 316 distance=34' 21404+0034 SMA 151 distance=34' 21404+0003 AOT 105 distance=35' 21435+0052 WAA9003 distance=36' 21421+0059 CHE 310 distance=39' 21447-0003 CHE 317 distance=40' 21406+0051 SLW1247 distance=40' 21451+0022 SLW1252 distance=42' 21452-0030 TOK 348 distance=44' 21421+0104 CHE 309 distance=44' 21395-0003 BU 1212AB distance=46' 21395-0003 BU 1212AB,C distance=46' 21453+0007 CHE 318 distance=48' 21442+0102 LDS6359 distance=51' 21457+0031 CHE 319 distance=53' 21408+0110 SLW1248 distance=54' 21390-0002 CBL 532 distance=55' 21459+0015 CHE 320 distance=55' 21412+0117 BAL1235 distance=59' 21412+0118 TOB 318 distance=61' 21383-0020 STF2811 distance=61' 21406+0116 CHE 306 distance=62' 21467-0010 BNG 2 distance=66' 21467+0007 CHE 323 distance=68' 21466+0045 CHE 321 distance=69' 21404+0126 BAL1234 distance=72' 21376-0023 STF2809AB distance=72' 21376-0023 FYM9001AC distance=72' 21376+0035 ARU 4 distance=73' 21469+0051 STF2825 distance=75' grafico limitrofi
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 21423+0021 CHE 312 282 24.0
Show 21424+0027 AOT 107 BC 174 6.4 6
Show 21424+0027 STF2817 AB 155 26.1 6
Show 21424+0027 AOT 107 AC 157 35.7 6
Show 21426+0027 WAA9001 27 1.7 8
Show 21426-0013 UC 4535 143 19.5 9
Show 21417-0024 UC 4532 160 17.3 10
Show 21428+0028 CHE 313 180 7.1 11
Show 21416+0013 CHE 308 186 10.8 13
Show 21417-0036 J 1409 327 3.8 18
Show 21424+0037 SMA 152 AC 102 17.4 18
Show 21424+0037 BAL1236 AB 312 15.6 18
Show 21424+0037 SMA 152 BC 112 30.8 18
Show 21427-0039 WAA9002 80 1.2 20
Show 21422+0040 CHE 311 229 22.3 20
Show 21409-0035 J 1408 356 6.6 24
Show 21415+0000 CHE 307 80 21.7 25
Show 21435+0003 CHE 314 229 37.8 25
Show 21437+0030 CHE 315 334 9.6 27
Show 21406-0018 AOT 106 83 16.6 27
Show 21406-0023 CVR 914 12 29.8 27
Show 21444+0008 CHE 316 297 38.4 34
Show 21404+0034 SMA 151 124 4.5 34
Show 21404+0003 AOT 105 159 18.7 35
Show 21435+0052 WAA9003 9 0.9 36
Show 21421+0059 CHE 310 30 20.9 39
Show 21447-0003 CHE 317 223 29.2 40
Show 21406+0051 SLW1247 225 162.8 40
Show 21451+0022 SLW1252 143 18.9 42
Show 21452-0030 TOK 348 57 146.2 44
Show 21421+0104 CHE 309 336 27.3 44
Show 21395-0003 BU 1212 AB 156 0.1 46
Show 21395-0003 BU 1212 AB,C 178 36.2 46
Show 21453+0007 CHE 318 121 26.3 48
Show 21442+0102 LDS6359 144 7.2 51
Show 21457+0031 CHE 319 101 29.3 53
Show 21408+0110 SLW1248 36 18.3 54
Show 21390-0002 CBL 532 263 80.6 55
Show 21459+0015 CHE 320 274 13.1 55
Show 21412+0117 BAL1235 319 8.9 59
Show 21412+0118 TOB 318 104 29.0 61
Show 21383-0020 STF2811 273 31.1 61
Show 21406+0116 CHE 306 183 25.0 62
Show 21467-0010 BNG 2 251 31.6 66
Show 21467+0007 CHE 323 316 28.5 68
Show 21466+0045 CHE 321 201 21.2 69
Show 21404+0126 BAL1234 43 20.1 72
Show 21376-0023 STF2809 AB 163 31.1 72
Show 21376-0023 FYM9001 AC 18 37.8 72
Show 21376+0035 ARU 4 235 0.3 73
Show 21469+0051 STF2825 156 0.4 75

 
 
WDS 21423+0021 : COMPONENTS
 
 
  A
B pa=281.8°
sep=24.02"
 
 
21423+0021 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214220.30+002058.5 Mag 13.91 PmRA 11.00
PmDE -9.0
 
 
21423+0021 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214218.73+002103.4 Mag 14.44 PmRA 8.00
PmDE 4.0 Calc delta mag 0.53 Calc coord yes