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Current system
10308-2644
RST 493


Nearby doubles
8' : 10304-2638
DAM2394

15' : 10309-2629
UC 1946

27' : 10328-2644
DAM2417

30' : 10329-2637
HDS1513

38' : 10333-2659
B 2250AB

61' : 10266-2709
B 2242

65' : 10282-2548
FIN 308AB

70' : 10257-2659
B 198

71' : 10316-2534
UC 1947

72' : 10261-2609
I 1199AB

72' : 10361-2641
BU 411

75' : 10287-2753
RST1511

77' : 10357-2606
UC 1963

80' : 10249-2651
BRT2979

87' : 10247-2717
B 2241

91' : 10250-2556
DAM2356

95' : 10246-2558
RST2688

101' : 10383-2639
DAM2470

103' : 10384-2640
RST 500

105' : 10369-2540
UC 1965

106' : 10375-2551
BRT2980

106' : 10321-2828
RST 494

108' : 10291-2829
B 200

110' : 10276-2824
RST1510

111' : 10304-2453
HJ 4322

113' : 10369-2800
UC 1966



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

10308-2644 RST 493

 
 
10h 30m 44.98s -26° 43' 22.0" P.A. 336.00 sep 1.0 mag 11.80,12.70
 
 
Coord 2000 10308-2644 Discov num RST 493 Comp Coord arcsec 2000 10 30 44.98 -26 43 22.0
Date first 1930 Date last 2015 Obs 4
Pa first 330 Pa last 335.5 P.A. Now (θ) 335.5°
Sep first 0.7 Sep last 1.039 Sep. Now (ρ) 1.039"
Mag pri 11.80 Mag sec 12.70 delta mag (ΔM) 0.9 Spectral class
Pri motion ra -023 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hydra Tycho2 6628-01112-1 Gaia DR2 5469112025019984384
 
 
WDS 10308-2644 RST 493 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 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
10308-2644 RST 493 1944 3 331 0.8 11.80 12.70 103044.98-264322.0
10308-2644 RST 493 2015 4 336 1.0 11.80 12.70 103044.98-264322.0

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

 
 
WDS 10308-2644 RST 493 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10308-2644 RST 493 : MEASURES
 
 
No records found.

 
 
WDS 10308-2644 : VIRTUAL EYEPIECE
 
 

10308-2644 RST 493A mag 11.8 10308-2644 RST 493B sep 1.0 P.A. 337.90 mag 12.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 10308-2644 : ALADIN DSS IMAGE @ 10h 30m 44.98s -26° 43' 22.0"
 
 
 
 
WDS 10308-2644 RST 493 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10308-2644 RST 493 distance=0' 10304-2638 DAM2394 distance=8' 10309-2629 UC 1946 distance=15' 10328-2644 DAM2417 distance=27' 10329-2637 HDS1513 distance=30' 10333-2659 B 2250AB distance=38' 10333-2659 B 2250AC distance=38' 10266-2709 B 2242 distance=61' 10282-2548 FIN 308AB distance=65' 10282-2548 B 199AB,C distance=65' 10257-2659 B 198 distance=70' 10316-2534 UC 1947 distance=71' 10261-2609 I 1199BC distance=72' 10261-2609 I 1199AB distance=72' 10361-2641 BU 411 distance=72' 10287-2753 RST1511 distance=75' 10357-2606 UC 1963 distance=77' 10249-2651 BRT2979 distance=80' 10247-2717 B 2241 distance=87' 10250-2556 DAM2356 distance=91' 10246-2558 RST2688 distance=95' 10383-2639 DAM2470 distance=101' 10384-2640 RST 500 distance=103' 10369-2540 UC 1965 distance=105' 10375-2551 BRT2980 distance=106' 10321-2828 RST 494 distance=106' 10291-2829 B 200 distance=108' 10276-2824 RST1510 distance=110' 10304-2453 HJ 4322 distance=111' 10369-2800 UC 1966 distance=113' 10381-2744 DAM2469 distance=116' 10381-2746 SHN 137 distance=116' 10226-2550 NSN 308 distance=122' 10392-2551 TOK 135 distance=125' 10398-2728 B 202 distance=129' 10214-2616 HDS1491 distance=129' 10365-2827 RSS 241AB distance=129' 10375-2818 RST1517 distance=131' 10297-2858 LDS3995 distance=135' 10219-2536 B 196 distance=137' 10345-2859 LDS5712 distance=145' 10287-2421 DAM2376 distance=146' 10298-2419 DAM2387 distance=146' 10366-2846 I 857 distance=146' 10415-2705 B 203 distance=146' 10283-2416 TOK 537AB distance=152' 10283-2416 TOK 537AC distance=152' 10283-2416 TOK 537Aa,Ab distance=152' 10311-2411 CHR 132Aa,Ab distance=153' 10311-2411 B 201AB distance=153' 10300-2406 ARA2163 distance=158' 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 10308-2644 RST 493 336 1.0
Show 10304-2638 DAM2394 242 4.9 8
Show 10309-2629 UC 1946 29 29.4 15
Show 10328-2644 DAM2417 29 1.5 27
Show 10329-2637 HDS1513 210 0.5 30
Show 10333-2659 B 2250 AB 32 3.8 38
Show 10333-2659 B 2250 AC 36 8.1 38
Show 10266-2709 B 2242 333 8.4 61
Show 10282-2548 FIN 308 AB 182 0.1 65
Show 10282-2548 B 199 AB,C 174 1.2 65
Show 10257-2659 B 198 142 0.2 70
Show 10316-2534 UC 1947 265 30.7 71
Show 10261-2609 I 1199 BC 214 2.0 72
Show 10261-2609 I 1199 AB 202 9.8 72
Show 10361-2641 BU 411 303 1.3 72
Show 10287-2753 RST1511 221 4.4 75
Show 10357-2606 UC 1963 193 7.3 77
Show 10249-2651 BRT2979 323 3.7 80
Show 10247-2717 B 2241 303 11.4 87
Show 10250-2556 DAM2356 27 1.5 91
Show 10246-2558 RST2688 98 1.1 95
Show 10383-2639 DAM2470 31 5.3 101
Show 10384-2640 RST 500 332 1.6 103
Show 10369-2540 UC 1965 146 12.3 105
Show 10375-2551 BRT2980 195 5.9 106
Show 10321-2828 RST 494 129 0.4 106
Show 10291-2829 B 200 198 4.7 108
Show 10276-2824 RST1510 73 0.4 110
Show 10304-2453 HJ 4322 105 13.6 111
Show 10369-2800 UC 1966 40 30.7 113
Show 10381-2744 DAM2469 13 8.9 116
Show 10381-2746 SHN 137 -1 0.0 116
Show 10226-2550 NSN 308 158 6.1 122
Show 10392-2551 TOK 135 108 6.4 125
Show 10398-2728 B 202 316 2.6 129
Show 10214-2616 HDS1491 310 0.1 129
Show 10365-2827 RSS 241 AB 46 9.5 129
Show 10375-2818 RST1517 44 2.9 131
Show 10297-2858 LDS3995 35 2.7 135
Show 10219-2536 B 196 288 0.5 137
Show 10345-2859 LDS5712 236 192.0 145
Show 10287-2421 DAM2376 209 3.5 146
Show 10298-2419 DAM2387 88 8.9 146
Show 10366-2846 I 857 265 0.3 146
Show 10415-2705 B 203 15 1.0 146
Show 10283-2416 TOK 537 AB 95 999.9 152
Show 10283-2416 TOK 537 AC 59 999.9 152
Show 10283-2416 TOK 537 Aa,Ab 130 0.1 152
Show 10311-2411 CHR 132 Aa,Ab 193 0.1 153
Show 10311-2411 B 201 AB 68 2.0 153
Show 10300-2406 ARA2163 122 11.7 158

 
 
WDS 10308-2644 : COMPONENTS
 
 
  A
B pa=337.9°
sep=1.02"
 
 
10308-2644 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 103044.98-264322.0 Mag 11.8 PmRA -23.00
PmDE -7.0 Tycho2 6628-01112-1
Tycho2
Tycho2 6628-01112-1 Pflag RAmdeg 157.68741657 DEmdeg -26.72279820
PmRA -22.8 PmDE -7.2 E RAmdeg 84 E DEmdeg 84
E pmRA 3.0 E pmDE 2.7 EpRAm 1980.69 EpDEm 1977.33
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 1.0
Q pmDE 0.5 BTmag 11.979 E BTmag 0.135 VTmag 11.371
E VTmag 0.115 Prox 999 TYC HIP
CCDM RAdeg 157.68747583 DEdeg -26.72278139 EpRA 1990 1.61
EpDE 1990 1.61 E RAdeg 90.3 E DEdeg 93.2 Posflg
Corr 0.1
 
 
10308-2644 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 103044.95-264321.1 Mag 12.7 Calc delta mag 0.9
Calc coord yes