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Doubles in session


Current system
00254-4423
DON 4


Nearby doubles
46' : 00222-4353
HDS 50

50' : 00283-4344
I 703

57' : 00276-4514
HDS 63

71' : 00283-4319
TDS1479

77' : 00319-4456
CPO 22

78' : 00235-4537
B 637

80' : 00287-4535
UC 376

95' : 00284-4552
HU 1329

96' : 00282-4252
TDS1477

100' : 00170-4506
TDS1380

102' : 00166-4347
TDS1376

103' : 00340-4338
CBL 579

108' : 00212-4246
KO 1

109' : 00244-4235
ALD 97

114' : 00256-4229
B 1410

125' : 00263-4218
CRU9004
Ankaa

127' : 00185-4606
RST 3

132' : 00315-4617
KPP4419

135' : 00213-4217
DON 3

135' : 00136-4340
DON 1

143' : 00263-4200
CRU9003

145' : 00333-4227
WIS 12

149' : 00386-4512
TDS1556

150' : 00266-4652
UC 368

153' : 00394-4359
HJ 3381

156' : 00241-4148
CBL 571



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

00254-4423 DON 4

 
 
00h 25m 25.24s -44° 22' 47.6" P.A. 60.00 sep 6.6 mag 9.15,14.00 Sp K2III dist. 1369.86 pc (4468.48 l.y.)
 
 
Coord 2000 00254-4423 Discov num DON   4 Comp Coord arcsec 2000 00 25 25.24 -44 22 47.6
Date first 1926 Date last 1999 Obs 4
Pa first 40 Pa last 59.5 P.A. Now (θ) 59.5°
Sep first 6.0 Sep last 6.56 Sep. Now (ρ) 6.56"
Mag pri 9.15 Mag sec 14.00 delta mag (ΔM) 4.85 Spectral class K2III (yellow-orange)
Pri motion ra +024 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Phoenix SAO 215087 HIP 2010 Tycho2 7530-00967-1
Gaia DR2 4992272489390288768 HD 2144 CD CD-45 116 CP CP-45 39
Distance 1369.86 Distance ly 4468.48
 
 
WDS 00254-4423 DON 4 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00254-4423 DON 4 1945 3 51 6.4 8.90 14.00 K2III 002525.24-442247.6
00254-4423 DON 4 1999 4 60 6.6 8.90 14.00 K2III 002525.24-442247.6

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

 
 
WDS 00254-4423 DON 4 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00254-4423 DON 4 : MEASURES
 
 
No records found.

 
 
WDS 00254-4423 : VIRTUAL EYEPIECE
 
 

00254-4423 DON 4A mag 9.15 Sp K2III 00254-4423 DON 4B sep 5.2 P.A. 50.50 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 00254-4423 : ALADIN DSS IMAGE @ 00h 25m 25.24s -44° 22' 47.6"
 
 
 
 
WDS 00254-4423 DON 4 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00254-4423 DON 4 distance=0' 00222-4353 HDS 50 distance=46' 00283-4344 I 703 distance=50' 00276-4514 HDS 63 distance=57' 00283-4319 TDS1479 distance=71' 00319-4456 CPO 22 distance=77' 00235-4537 B 637 distance=78' 00287-4535 UC 376 distance=80' 00284-4552 HU 1329 distance=95' 00282-4252 TDS1477 distance=96' 00170-4506 TDS1380 distance=100' 00166-4347 TDS1376 distance=102' 00340-4338 CBL 579 distance=103' 00212-4246 KO 1 distance=108' 00244-4235 ALD 97 distance=109' 00256-4229 B 1410 distance=114' 00263-4218 CRU9004 (Ankaa) distance=125' 00185-4606 RST 3 distance=127' 00315-4617 KPP4419 distance=132' 00213-4217 DON 3 distance=135' 00136-4340 DON 1 distance=135' 00263-4200 CRU9003 distance=143' 00333-4227 WIS 12 distance=145' 00386-4512 TDS1556 distance=149' 00266-4652 UC 368 distance=150' 00394-4359 HJ 3381 distance=153' 00241-4148 CBL 571 distance=156' 00153-4230 RST3344 distance=158' 00357-4621 B 1411 distance=161' 00148-4224 NSN 228 distance=167' 00265-4712 UC 367 distance=170' 00204-4707 LDS 13 distance=173' 00217-4711 HDS 47 distance=173' 00152-4206 B 1407 distance=177' 00324-4139 CPO 106 distance=182' 00425-4424 LDS 24 distance=183' 00099-4309 KPP2231 distance=184' 00267-4120 BRT 637 distance=184' 00254-4113 KPP 542 distance=190' 00101-4601 KPP2852 distance=190' 00082-4515 UC 323 distance=191' 00433-4511 HJ 3390 distance=197' 00175-4726 SKF 407 distance=201' 00340-4122 KPP 858 distance=204' 00084-4257 B 1406 distance=205' 00212-4743 HDS 46 distance=205' 00445-4418 UC 429 distance=206' 00345-4121 KPP2441 distance=208' 00444-4332 LDS 26 distance=211' 00114-4701 RST 2 distance=217' 00154-4113 RST1182 distance=220' 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 00254-4423 DON 4 60 6.6
Show 00222-4353 HDS 50 357 14.5 46
Show 00283-4344 I 703 176 9.2 50
Show 00276-4514 HDS 63 200 11.0 57
Show 00283-4319 TDS1479 180 0.6 71
Show 00319-4456 CPO 22 203 8.0 77
Show 00235-4537 B 637 138 0.4 78
Show 00287-4535 UC 376 14 36.1 80
Show 00284-4552 HU 1329 144 4.9 95
Show 00282-4252 TDS1477 288 0.7 96
Show 00170-4506 TDS1380 158 0.9 100
Show 00166-4347 TDS1376 115 2.9 102
Show 00340-4338 CBL 579 288 7.7 103
Show 00212-4246 KO 1 317 77.8 108
Show 00244-4235 ALD 97 56 2.1 109
Show 00256-4229 B 1410 234 2.2 114
Show Ankaa 00263-4218 CRU9004 132 183.0 125
Show 00185-4606 RST 3 131 2.2 127
Show 00315-4617 KPP4419 259 2.2 132
Show 00213-4217 DON 3 120 2.6 135
Show 00136-4340 DON 1 249 2.1 135
Show 00263-4200 CRU9003 256 52.0 143
Show 00333-4227 WIS 12 125 29.0 145
Show 00386-4512 TDS1556 253 0.6 149
Show 00266-4652 UC 368 315 50.4 150
Show 00394-4359 HJ 3381 38 10.7 153
Show 00241-4148 CBL 571 122 29.0 156
Show 00153-4230 RST3344 3 0.1 158
Show 00357-4621 B 1411 281 1.7 161
Show 00148-4224 NSN 228 171 1.4 167
Show 00265-4712 UC 367 107 41.1 170
Show 00204-4707 LDS 13 296 38.3 173
Show 00217-4711 HDS 47 110 3.7 173
Show 00152-4206 B 1407 75 1.2 177
Show 00324-4139 CPO 106 129 5.2 182
Show 00425-4424 LDS 24 117 20.9 183
Show 00099-4309 KPP2231 185 18.5 184
Show 00267-4120 BRT 637 245 2.0 184
Show 00254-4113 KPP 542 218 5.0 190
Show 00101-4601 KPP2852 285 6.6 190
Show 00082-4515 UC 323 10 22.7 191
Show 00433-4511 HJ 3390 313 14.1 197
Show 00175-4726 SKF 407 86 7.6 201
Show 00340-4122 KPP 858 228 7.3 204
Show 00084-4257 B 1406 303 0.9 205
Show 00212-4743 HDS 46 278 0.1 205
Show 00445-4418 UC 429 122 7.6 206
Show 00345-4121 KPP2441 347 21.4 208
Show 00444-4332 LDS 26 9 22.0 211
Show 00114-4701 RST 2 67 0.6 217
Show 00154-4113 RST1182 147 0.9 220

 
 
WDS 00254-4423 : COMPONENTS
 
 
  A
B pa=50.5°
sep=5.24"
 
 
00254-4423 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 002525.24-442247.6 Mag 9.15 Spectral class K2III (yellow-orange)
PmRA 24.00 PmDE 8.0 SAO 215087 HIP 2010
Tycho2 7530-00967-1 HD 2144 CD CD-45 116 CP CP-45 39
Tycho2
Tycho2 7530-00967-1 Pflag RAmdeg 6.35526235 DEmdeg -44.37988842
PmRA 25.4 PmDE 2.5 E RAmdeg 11 E DEmdeg 12
E pmRA 1.2 E pmDE 1.1 EpRAm 1989.38 EpDEm 1988.12
Num 11 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.4 BTmag 10.735 E BTmag 0.038 VTmag 9.147
E VTmag 0.017 Prox 999 TYC T HIP 2010
CCDM RAdeg 6.35517750 DEdeg -44.37989556 EpRA 1990 1.72
EpDE 1990 1.73 E RAdeg 12.2 E DEdeg 12.6 Posflg
Corr -0.1
SAO
SAO 215087 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0.004 Vmag 8.9 SpType K0
Double code Source 48 CatNum 162 DM CP-45 39
DMcomp BDsup HD 2144 M HD 0
GC RA1950rad 0.10022852 DE1950rad -0.77940661 PmRA2000 0.0017
PmDE2000 -0.002
Hipparcos
Catalog H HIP 2010 Proxy RAhms 00 25 25.24
DEdms -44 22 47.6 Vmag 8.98 VarFlag R Vmag H
RAdeg 6.35517 DEdeg -44.3799 AstroRef Plx 0.66
CCDM 00254-4423 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 2144 BD
CD CD-45 116 CP CP-45 39 Dm number -45 116 VIred 1.26
SpType K2III R SpType Coord arcsec 2000 002525.24-442247.6
Hipparcos 2
HIP 2010 Sn 5 So 0 Nc 1
RArad 0.1109186386 DErad -0.7745753411 Plx -0.73 PmRA 25.56
PmDE 1.03 E RArad 0.81 E DErad 1.03 E Plx 1.38
E pmRA 1.01 E pmDE 1.05 Hpmag 9.1318 E Hpmag 0.0018
SHp 0.022 VA 0 BV 1.311 E BV 0.03
VI 1.27
CCDM
Ccdm 00254-4423 RComp Comp A Note1
Note2 Discov num DRAs 1.15 DDEs 12.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp K0 PmNote *
PmRA 16 PmDE 4 Dm number -45 116 Cat1 CD
Name2 215087 Cat2 SAO HD 2144 M HD
ADS BDS M ADS BDS N IDS IDS 00205S4456A
HIC 2010
 
 
00254-4423 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 002525.62-442244.3 Mag 14 Calc delta mag 4.85
Calc coord yes
CCDM
Ccdm 00254-4423 RComp Comp B Note1
Note2 Discov num DON 4 DRAs DDEs
R dRAs Year 1929 Theta 051 Rho 6.3
Obs 2 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00205S4456B
HIC 2010