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Current system
16256-2423
RAT 2


Nearby doubles
4' : 16257-2427
RAT 3

6' : 16260-2425
DCH 60

7' : 16253-2427
B 309

7' : 16256-2416
CST 2

9' : 16260-2430
RAT 4

10' : 16263-2426
DCH 61AB

10' : 16264-2423
DCH 64

11' : 16264-2424
ALO 1AB

11' : 16264-2426
DCH 63

11' : 16264-2425
HCH 1AB

11' : 16263-2428
ELA 1AB

12' : 16264-2429
DCH 65

12' : 16265-2423
CST 3AB

13' : 16265-2427
DCH 66

13' : 16251-2432
TOK 777

13' : 16265-2424
CHT 3

14' : 16266-2424
ALO 3AB

14' : 16266-2423
DCH 68

15' : 16267-2421
REP 40

15' : 16266-2416
DCH 67AB

16' : 16267-2426
DCH 70

16' : 16267-2418
DCH 69

17' : 16267-2417
DCH 71AB

17' : 16268-2420
CST 5

17' : 16269-2421
YLW 1AB

17' : 16263-2409
REP 37



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

16256-2423 RAT 2

 
 
16h 25m 38.12s -24° 22' 36.3" P.A. 170.00 sep 1.8 mag 9.60,12.30 Sp M0
 
 
Coord 2000 16256-2423 Discov num RAT   2 Comp Coord arcsec 2000 16 25 38.12 -24 22 36.3
Date first 2001 Date last 2001 Obs 1
Pa first 170 Pa last 170.2 P.A. Now (θ) 170.2°
Sep first 1.8 Sep last 1.788 Sep. Now (ρ) 1.788"
Mag pri 9.60 Mag sec 12.30 delta mag (ΔM) 2.7 Spectral class M0 (red)
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Gaia DR2 6049142646763564800
 
 
WDS 16256-2423 RAT 2 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rat2005 S j Ratzka, Th., Koehler, R., & Leinert, Ch. 2005A&A...437..611R
Rat2005 +A A&A 437, 611, 2005
Rat2009 K j Ratzka, Th., Schegerar, A.A., Leinert, Ch., Abraham, P., Henning, Th., 2009A&A...502..623R
Rat2009 Herbst, T.M., Koehler, R., Wolf, S., & Zinnecker, H.
Rat2009 A&A 502, 623, 2009
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16256-2423 RAT 2 2001 1 170 1.8 9.60 12.30 K 162538.12-242236.3

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

 
 
WDS 16256-2423 RAT 2 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16256-2423 RAT 2 : MEASURES
 
 
No records found.

 
 
WDS 16256-2423 : VIRTUAL EYEPIECE
 
 

16256-2423 RAT 2A mag 9.6 Sp M0 16256-2423 RAT 2B sep 1.8 P.A. 171.10 mag 12.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16256-2423 : ALADIN DSS IMAGE @ 16h 25m 38.12s -24° 22' 36.3"
 
 
 
 
WDS 16256-2423 RAT 2 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16256-2423 RAT 2 distance=0' 16257-2427 RAT 3 distance=4' 16260-2425 DCH 60 distance=6' 16253-2427 B 309 distance=7' 16256-2416 CST 2 distance=7' 16260-2430 RAT 4 distance=9' 16264-2421 BOV 60A,BC distance=10' 16263-2426 DCH 61AB distance=10' 16263-2426 DCH 61AC distance=10' 16264-2423 DCH 64 distance=10' 16264-2424 ALO 1AB distance=11' 16264-2424 ALO 1AC distance=11' 16264-2424 ALO 1BD distance=11' 16264-2424 ALO 1BC distance=11' 16264-2421 ZNN 1BC distance=11' 16264-2421 KRS 6Ca,Cb distance=11' 16264-2426 DCH 63 distance=11' 16264-2425 HCH 1AB distance=11' 16263-2428 ELA 1AB distance=11' 16263-2428 DCH 62AC distance=11' 16264-2425 ALO 2CD distance=11' 16264-2425 LOO 7EF distance=12' 16264-2425 CHX 15EG distance=12' 16264-2429 DCH 65 distance=12' 16265-2423 CST 3AB distance=12' 16265-2423 HCH 4AC distance=12' 16265-2427 DCH 66 distance=13' 16251-2432 TOK 777 distance=13' 16265-2424 CHT 3 distance=13' 16266-2424 ALO 3AB distance=14' 16266-2424 ALO 3AC distance=14' 16266-2424 ALO 3AD distance=14' 16266-2423 DCH 68 distance=14' 16267-2421 REP 40 distance=15' 16266-2416 DCH 67AB distance=15' 16266-2416 DCH 67AC distance=15' 16266-2416 DCH 96AD distance=15' 16267-2426 DCH 70 distance=16' 16267-2418 DCH 69 distance=16' 16267-2417 RAT 8Aa,Ab distance=17' 16267-2417 DCH 71AB distance=17' 16268-2420 CST 5 distance=17' 16269-2421 DCH 72Aa,Ab distance=17' 16269-2421 YLW 1AB distance=17' 16269-2421 YLW 1AC distance=17' 16263-2409 REP 37 distance=17' 16268-2428 BNY 1 distance=18' 16269-2422 RAT 11 distance=18' 16269-2421 DCH 73BD distance=18' 16269-2426 RAT 10 distance=18' 16263-2407 CHT 2 distance=18' 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 16256-2423 RAT 2 170 1.8
Show 16257-2427 RAT 3 116 0.7 4
Show 16260-2425 DCH 60 240 7.2 6
Show 16253-2427 B 309 113 0.1 7
Show 16256-2416 CST 2 78 0.4 7
Show 16260-2430 RAT 4 10 0.1 9
Show 16264-2421 BOV 60 A,BC 114 94.0 10
Show 16263-2426 DCH 61 AB 119 7.5 10
Show 16263-2426 DCH 61 AC 154 9.9 10
Show 16264-2423 DCH 64 106 9.4 10
Show 16264-2424 ALO 1 AB 86 6.2 11
Show 16264-2424 ALO 1 AC 41 6.7 11
Show 16264-2424 ALO 1 BD 57 8.6 11
Show 16264-2424 ALO 1 BC 340 4.9 11
Show 16264-2421 ZNN 1 BC 150 2.0 11
Show 16264-2421 KRS 6 Ca,Cb 44 0.0 11
Show 16264-2426 DCH 63 20 8.2 11
Show 16264-2425 HCH 1 AB 323 10.5 11
Show 16263-2428 ELA 1 AB 102 6.7 11
Show 16263-2428 DCH 62 AC 131 7.6 11
Show 16264-2425 ALO 2 CD 273 7.8 11
Show 16264-2425 LOO 7 EF 285 1.1 12
Show 16264-2425 CHX 15 EG 278 9.9 12
Show 16264-2429 DCH 65 282 7.4 12
Show 16265-2423 CST 3 AB 66 1.2 12
Show 16265-2423 HCH 4 AC 97 5.8 12
Show 16265-2427 DCH 66 341 7.9 13
Show 16251-2432 TOK 777 103 0.3 13
Show 16265-2424 CHT 3 269 0.0 13
Show 16266-2424 ALO 3 AB 228 3.4 14
Show 16266-2424 ALO 3 AC 234 9.0 14
Show 16266-2424 ALO 3 AD 127 9.5 14
Show 16266-2423 DCH 68 91 7.4 14
Show 16267-2421 REP 40 69 1.4 15
Show 16266-2416 DCH 67 AB 57 6.1 15
Show 16266-2416 DCH 67 AC 104 6.3 15
Show 16266-2416 DCH 96 AD 152 9.0 15
Show 16267-2426 DCH 70 348 6.0 16
Show 16267-2418 DCH 69 242 1.5 16
Show 16267-2417 RAT 8 Aa,Ab 180 0.1 17
Show 16267-2417 DCH 71 AB 134 4.9 17
Show 16268-2420 CST 5 54 0.2 17
Show 16269-2421 DCH 72 Aa,Ab 207 1.0 17
Show 16269-2421 YLW 1 AB 69 63.3 17
Show 16269-2421 YLW 1 AC 111 108.4 17
Show 16263-2409 REP 37 358 5.1 17
Show 16268-2428 BNY 1 341 4.4 18
Show 16269-2422 RAT 11 202 0.2 18
Show 16269-2421 DCH 73 BD 187 8.0 18
Show 16269-2426 RAT 10 134 0.1 18
Show 16263-2407 CHT 2 299 0.1 18

 
 
WDS 16256-2423 : COMPONENTS
 
 
  A
B pa=171.1°
sep=1.78"
 
 
16256-2423 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 162538.12-242236.3 Mag 9.6 Spectral class M0 (red)
 
 
16256-2423 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 162538.14-242238.1 Mag 12.3 Calc delta mag 2.7
Calc coord yes