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Current system
16274-2430
ALO 9 CD


Nearby doubles
2' : 16273-2429
YLW 12AB

2' : 16275-2431
DCH 77AB

3' : 16275-2427
YLW 17AB

4' : 16276-2431
HCH 5

4' : 16275-2433
DCH 78

5' : 16271-2429
CST 7

6' : 16273-2424
DCH 76

6' : 16278-2432
DCH 83AB

6' : 16271-2426
YLW 10AB

7' : 16269-2429
DCH 74

7' : 16279-2432
HCH 6AB

7' : 16278-2426
RAT 14

8' : 16278-2425
RAT 13

8' : 16269-2426
RAT 10

9' : 16268-2428
BNY 1

9' : 16277-2422
GHE 23

9' : 16270-2436
YLW 4AB

10' : 16276-2438
DCH 79

10' : 16273-2439
YLW 11AB

10' : 16269-2422
RAT 11

10' : 16280-2436
DCH 86AB

11' : 16275-2440
YLW 16AB

11' : 16267-2426
DCH 70

11' : 16277-2439
DCH 82AB

11' : 16281-2435
DCH 87

11' : 16276-2439
DCH 80



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

16274-2430 ALO 9 CD

 
 
16h 27m 24.64s -24° 29' 35.4" P.A. 313.00 sep 8.5 mag 14.70,15.00 Sp YSO
 
 
Coord 2000 16274-2430 Discov num ALO   9 Comp CD Coord arcsec 2000 16 27 24.64 -24 29 35.4
Date first 1998 Date last 1999 Obs 3
Pa first 314 Pa last 313 P.A. Now (θ) 313°
Sep first 9.5 Sep last 8.47 Sep. Now (ρ) 8.47"
Mag pri 14.70 Mag sec 15.00 delta mag (ΔM) 0.3 Spectral class YSO
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16274-2430 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 27 22 -24 29 40 ALO 8 AB 1998 1 84 6.0 15.40 19.90 4.50
Show 16 27 25 -24 29 35 ALO 9 CD 1999 3 313 8.5 14.70 15.00 0.30 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus
 
 
WDS 16274-2430 ALO 9 CD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
ALo2002 Hn j Allen, L.E., Myers, P.C., Di Francesco, J., Mathieu, R., Chen, H., & Young, E. 2002ApJ...566..993A
ALo2002 ApJ 566, 993, 2002
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16274-2430 ALO 9 CD 1998 1 314 9.5 14.70 15.00 162724.64-242935.4
16274-2430 ALO 9 CD 1999 2 315 8.4 14.70 15.00 YSO 162724.64-242935.4

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

 
 
WDS 16274-2430 ALO 9 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16274-2430 ALO 9 CD : MEASURES
 
 
No records found.

 
 
WDS 16274-2430 : VIRTUAL EYEPIECE
 
 

16274-2430 ALO 8A mag 15.4 16274-2430 ALO 8B sep 5.5 P.A. 83.40 mag 19.9 16274-2430 ALO 9C sep 36.6 P.A. 83.10 mag 14.7 Sp YSO 16274-2430 ALO 9D sep 32.3 P.A. 71.60 mag 15 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16274-2430 : ALADIN DSS IMAGE @ 16h 27m 24.64s -24° 29' 35.4"
 
 
 
 
WDS 16274-2430 ALO 9 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16274-2430 ALO 9CD distance=0' 16274-2430 ALO 8AB distance=1' 16273-2429 RAT 12Ca,Cb distance=2' 16273-2429 YLW 12AB distance=2' 16273-2429 YLW 12AC distance=2' 16273-2429 YLW 12AD distance=2' 16275-2431 CST 10Aa,Ab distance=2' 16275-2431 DCH 77AB distance=2' 16275-2427 CST 9Ba,Bb distance=3' 16275-2427 YLW 17AB distance=3' 16275-2427 SHC 1AC distance=3' 16276-2431 HCH 5 distance=4' 16275-2433 DCH 78 distance=4' 16271-2426 ALO 5Ba,Bb distance=4' 16271-2426 ALO 5BD distance=4' 16271-2429 CST 7 distance=5' 16273-2424 DCH 76 distance=6' 16278-2432 DCH 83AB distance=6' 16278-2432 DCH 83AC distance=6' 16271-2426 YLW 10AB distance=6' 16271-2426 YLW 10AC distance=6' 16269-2429 DCH 74 distance=7' 16279-2432 HCH 6AB distance=7' 16279-2432 DCH 84AC distance=7' 16279-2432 DCH 84AD distance=7' 16278-2426 RAT 14 distance=7' 16278-2425 RAT 13 distance=8' 16269-2426 RAT 10 distance=8' 16268-2428 BNY 1 distance=9' 16277-2422 GHE 23 distance=9' 16270-2436 YLW 4AB distance=9' 16270-2436 YLW 4AC distance=9' 16270-2436 YLW 4BC distance=9' 16276-2438 DCH 79 distance=10' 16273-2439 RIE 1BC distance=10' 16273-2439 RES 1BD distance=10' 16273-2439 RES 1CD distance=10' 16273-2439 YLW 11AB distance=10' 16269-2422 RAT 11 distance=10' 16280-2436 DCH 86AB distance=10' 16280-2436 DCH 86AC distance=10' 16275-2440 YLW 16AB distance=11' 16275-2440 TER 2Aa,Ab distance=11' 16269-2421 DCH 75CE distance=11' 16267-2426 DCH 70 distance=11' 16277-2439 DCH 82AB distance=11' 16277-2439 DCH 82AC distance=11' 16277-2439 DCH 82AD distance=11' 16281-2435 DCH 87 distance=11' 16276-2439 DCH 80 distance=11' 16272-2419 ELA 2 distance=11' 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 16274-2430 ALO 9 CD 313 8.5
Show 16274-2430 ALO 8 AB 84 6.0 1
Show 16273-2429 RAT 12 Ca,Cb 284 0.2 2
Show 16273-2429 YLW 12 AB 66 8.6 2
Show 16273-2429 YLW 12 AC 128 15.8 2
Show 16273-2429 YLW 12 AD 61 25.5 2
Show 16275-2431 CST 10 Aa,Ab 353 0.5 2
Show 16275-2431 DCH 77 AB 314 8.8 2
Show 16275-2427 CST 9 Ba,Bb 258 0.2 3
Show 16275-2427 YLW 17 AB 134 33.0 3
Show 16275-2427 SHC 1 AC 68 11.4 3
Show 16276-2431 HCH 5 122 15.3 4
Show 16275-2433 DCH 78 196 7.6 4
Show 16271-2426 ALO 5 Ba,Bb 48 0.3 4
Show 16271-2426 ALO 5 BD 145 7.3 4
Show 16271-2429 CST 7 321 0.8 5
Show 16273-2424 DCH 76 215 5.6 6
Show 16278-2432 DCH 83 AB 161 2.2 6
Show 16278-2432 DCH 83 AC 56 3.3 6
Show 16271-2426 YLW 10 AB 100 132.4 6
Show 16271-2426 YLW 10 AC 65 149.5 6
Show 16269-2429 DCH 74 205 9.3 7
Show 16279-2432 HCH 6 AB 324 7.3 7
Show 16279-2432 DCH 84 AC 202 7.1 7
Show 16279-2432 DCH 84 AD 86 9.0 7
Show 16278-2426 RAT 14 207 0.1 7
Show 16278-2425 RAT 13 198 0.3 8
Show 16269-2426 RAT 10 134 0.1 8
Show 16268-2428 BNY 1 341 4.4 9
Show 16277-2422 GHE 23 353 0.6 9
Show 16270-2436 YLW 4 AB 308 29.6 9
Show 16270-2436 YLW 4 AC 2 58.1 9
Show 16270-2436 YLW 4 BC 32 47.2 9
Show 16276-2438 DCH 79 84 6.3 10
Show 16273-2439 RIE 1 BC 270 3.2 10
Show 16273-2439 RES 1 BD 52 3.7 10
Show 16273-2439 RES 1 CD 353 2.3 10
Show 16273-2439 YLW 11 AB 102 58.0 10
Show 16269-2422 RAT 11 202 0.2 10
Show 16280-2436 DCH 86 AB 116 6.8 10
Show 16280-2436 DCH 86 AC 113 7.2 10
Show 16275-2440 YLW 16 AB 102 24.0 11
Show 16275-2440 TER 2 Aa,Ab 267 0.3 11
Show 16269-2421 DCH 75 CE 78 7.3 11
Show 16267-2426 DCH 70 348 6.0 11
Show 16277-2439 DCH 82 AB 100 6.4 11
Show 16277-2439 DCH 82 AC 80 8.1 11
Show 16277-2439 DCH 82 AD 254 9.8 11
Show 16281-2435 DCH 87 84 8.0 11
Show 16276-2439 DCH 80 102 3.3 11
Show 16272-2419 ELA 2 176 6.3 11

 
 
WDS 16274-2430 : COMPONENTS
 
 
  A B C
B pa=83.4°
sep=5.47"
 
C pa=83.1°
sep=36.57"
pa=83.0°
sep=31.11"
 
D pa=71.6°
sep=32.32"
pa=69.3°
sep=26.99"
pa=315.7°
sep=8.07"
 
 
16274-2430 A
 
 
Coord arcsec 2000 162721.98-242939.8 Mag 15.4
 
 
16274-2430 B
 
 
Coord arcsec 2000 162722.38-242939.2 Mag 19.9 Calc delta mag 4.5 Calc coord yes
 
 
16274-2430 C
 
 
Coord arcsec 2000 162724.64-242935.4 Mag 14.7 Spectral class YSO Calc delta mag 0.7
 
 
16274-2430 D
 
 
Coord arcsec 2000 162724.23-242929.6 Mag 15 Calc delta mag 0.4 Calc coord yes