Coord 2000 | 18186-1348 | Discov num | SNA 88 | Comp | AC | Coord arcsec 2000 | 18 18 36.42 -13 48 02.3 | ||||
Date first | 2012 | Date last | 2012 | Obs | 1 | ||||||
Pa first | 5 | Pa last | 4.9 | P.A. Now (θ) | 4.9° | ||||||
Sep first | 3.7 | Sep last | 3.69 | Sep. Now (ρ) | 3.69" | ||||||
Mag pri | 6.57 | Mag sec | 13.71 | delta mag (ΔM) | 7.14 | Spectral class | O4IV((f)) (blue) | ||||
Pri motion ra | +004 | Sec motion ra | |||||||||
Pri motion dec | +008 | Sec motion dec | |||||||||
Notes | N K (See Notes, K-band or other infrared magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 161303 | 18 18 36 -13 48 02 | DCH 26 AB | 2018 | 7 | 306 | 0.2 | 6.80 | 8.37 | 1.57 | |||
Show | 18 18 36 -13 48 02 | SNA 88 AC | 2012 | 1 | 5 | 3.7 | 6.57 | 13.71 | 7.14 | <=== | |||
Show | 18 18 36 -13 48 02 | SNA 88 AD | 2017 | 2 | 246 | 3.5 | 6.57 | 12.15 | 5.58 | ||||
Show | 18 18 36 -13 48 02 | SNA 88 AE | 2012 | 1 | 177 | 3.8 | 6.57 | 14.15 | 7.58 | ||||
Show | 18 18 36 -13 48 02 | SNA 88 AF | 2012 | 1 | 126 | 5.9 | 6.57 | 12.63 | 6.06 | ||||
Show | 18 18 36 -13 48 02 | SNA 88 AG | 2017 | 3 | 305 | 6.4 | 6.57 | 12.10 | 5.53 | ||||
Show | 18 18 36 -13 47 36 | SNA 87 Ha,Hb | 2012 | 1 | 49 | 0.0 | 7.30 | 11.00 | 3.70 | ||||
Show | 18 18 36 -13 47 36 | SNA 87 HI | 2012 | 1 | 297 | 2.7 | 7.28 | 13.10 | 5.82 | ||||
Show | 18 18 36 -13 47 36 | SNA 87 HJ | 2017 | 3 | 139 | 3.4 | 7.28 | 11.41 | 4.13 | ||||
Show | 18 18 36 -13 47 36 | SNA 87 HK | 2012 | 1 | 68 | 5.8 | 7.28 | 13.86 | 6.58 |
Constellation | Serpens | Gaia DR2 | 4146599132529067520 |
discov_num | notes | refcode |
DCH 26 | The AB pair is visible as SBA in spectroscopy, although no orbital | |
motion is detected (Sana et al. 2009), inagreement with the large | Sna2009 | |
separation, hence very long period. Five other faint companions are | ||
detected in the NACO FOV. | Sna2014 |
refcode | metd | author | reference |
Sna2009 | not - | Sana, H., Gosset, E., & Evans, C.J. | 2009MNRAS.400.1479S |
Sna2009 | MNRAS 400, 1479, 2009 | ||
Sna2014 | Kv j | Sana, H., LeBouquin, J.-B., Lacour, S., Berger, J.-P., Duvert, G., Gauchet, L., | 2014ApJS..215...15S |
Sna2014 | +A | Norris, B., Olofsson, J., Pickel, D., Zins, G., Absil, O., de Koter, A., | |
Sna2014 | Kratter, K., Schnurr, O., & Zinnecker, H. | ||
Sna2014 | ApJS 215, 15, 2014 | ||
Sna2014 | (NACO companions in Table 6 assumed physical if quoted probability of spurious | ||
Sna2014 | detection <10%, optical if >90%, otherwise indeterminate) |
idgroup | discov | author |
1 | DCH | Duchene, G., Bouvier, J. & Simon, T |
24 | DCH | Duchene, G., McCabe, C., Pinte, C., Stapelfeldt, K.R., Menard, F., Duvert, G., |
24 | DCH | Ghez, A.M., Maness, H.L., Bouy, H., Barrado y Navascues, D., Morales-Calderon, M., |
24 | DCH | Wolf, S., et al. |
27 | DCH | Duchene, G., Oon, J.T., De Rosa, R.J., Kantorski, P., Coy, B., Wang, J.J., Thomas, |
27 | DCH | S., Patience, J., Pueyo, L., Nielsen, E.L. & Konopacky, Q. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18186-1348 | SNA 88 | AC | 2012 | 1 | 5 | 3.7 | 6.57 | 13.71 | O4III | K | 181836.42-134802.3 |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
Click on the map to see the double of your interest. Pass over with the mouse cursor to display the catalog designation. |
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A | B | C | D | E | F | G | H | Hb | I | J | |
B | pa=307.1° sep=0.16" | ||||||||||
C | pa=4.8° sep=3.69" | pa=6.9° sep=3.61" | |||||||||
D | pa=245.1° sep=3.41" | pa=242.6° sep=3.33" | pa=213.6° sep=6.14" | ||||||||
E | pa=176.8° sep=3.78" | pa=175.0° sep=3.89" | pa=180.7° sep=7.45" | pa=125.3° sep=4.04" | |||||||
F | pa=127.2° sep=5.81" | pa=127.2° sep=5.97" | pa=149.0° sep=8.39" | pa=105.1° sep=7.99" | pa=86.6° sep=4.42" | ||||||
G | pa=305.4° sep=6.28" | pa=305.3° sep=6.11" | pa=269.6° sep=5.42" | pa=338.2° sep=5.46" | pa=324.3° sep=9.12" | pa=306.3° sep=12.08" | |||||
H | pa=347.6° sep=26.52" | pa=347.9° sep=26.39" | pa=344.9° sep=23.02" | pa=354.6° sep=27.46" | pa=348.8° sep=30.25" | pa=340.7° sep=31.17" | pa=358.5° sep=22.27" | ||||
Hb | pa=347.7° sep=26.54" | pa=347.9° sep=26.41" | pa=345.0° sep=23.04" | pa=354.7° sep=27.48" | pa=348.8° sep=30.27" | pa=340.8° sep=31.18" | pa=358.6° sep=22.30" | pa=48.5° sep=0.04" | |||
I | pa=343.5° sep=28.32" | pa=343.7° sep=28.19" | pa=340.4° sep=24.92" | pa=350.2° sep=29.02" | pa=345.0° sep=32.01" | pa=337.5° sep=33.18" | pa=352.9° sep=23.70" | pa=297.9° sep=2.68" | pa=297.0° sep=2.69" | ||
J | pa=351.4° sep=23.58" | pa=351.7° sep=23.46" | pa=349.0° sep=20.01" | pa=359.0° sep=24.75" | pa=352.2° sep=27.34" | pa=343.1° sep=28.03" | pa=4.7° sep=19.75" | pa=139.9° sep=3.38" | pa=140.7° sep=3.38" | pa=130.2° sep=5.95" | |
K | pa=359.1° sep=28.11" | pa=359.3° sep=28.01" | pa=358.2° sep=24.44" | pa=5.1° sep=29.66" | pa=358.8° sep=31.89" | pa=350.9° sep=32.02" | pa=10.8° sep=24.91" | pa=67.1° sep=5.67" | pa=67.2° sep=5.63" | pa=82.8° sep=7.65" | pa=32.5° sep=5.68" |
Coord arcsec 2000 | 181836.42-134802.3 | Mag | 6.8 | Spectral class | O4IV((f)) (blue) | PmRA | 4.00 | ||||
PmDE | 8.0 |
Coord arcsec 2000 | 181836.41-134802.2 | Mag | 8.37 | SAO | 161303 | Tycho2 | 5689-00607-1 | ||||
HD | 168076 | DM | BD-13 4926 | Calc delta mag | 1.57 | Calc coord | yes |
Tycho2 | 5689-00607-1 | Pflag | RAmdeg | 274.65175348 | DEmdeg | -13.80066069 | |||||
PmRA | 0.9 | PmDE | 0.0 | E RAmdeg | 7 | E DEmdeg | 9 | ||||
E pmRA | 1.3 | E pmDE | 1.3 | EpRAm | 1991.07 | EpDEm | 1990.46 | ||||
Num | 12 | Q RAmdeg | 1.0 | Q DEmdeg | 1.1 | Q pmRA | 0.9 | ||||
Q pmDE | 1.1 | BTmag | 8.716 | E BTmag | 0.018 | VTmag | 8.281 | ||||
E VTmag | 0.014 | Prox | 265 | TYC | T | HIP | |||||
CCDM | RAdeg | 274.65175167 | DEdeg | -13.80066083 | EpRA 1990 | 1.83 | |||||
EpDE 1990 | 1.70 | E RAdeg | 6.5 | E DEdeg | 8.5 | Posflg | |||||
Corr | -0.1 |
SAO | 161303 | DelFlag | RA1950 | PmRA1950 | 0.0015 | ||||||
DE1950 | PmDE1950 | 0.007 | Vmag | 8.9 | SpType | B | |||||
Double code | Source | 21 | CatNum | 6661 | DM | BD-13 4926 | |||||
DMcomp | BDsup | HD | 168076 | M HD | 0 | ||||||
GC | RA1950rad | 4.78120374 | DE1950rad | -0.24123117 | PmRA2000 | 0.0017 | |||||
PmDE2000 | 0.009 |
Coord arcsec 2000 | 181836.44-134758.6 | Mag | 13.71 | Calc delta mag | 6.91 | Calc coord | yes |
Coord arcsec 2000 | 181836.21-134803.7 | Mag | 12.15 | Calc delta mag | 5.35 | Calc coord | yes |
Coord arcsec 2000 | 181836.43-134806.1 | Mag | 14.15 | Calc delta mag | 7.35 | Calc coord | yes |
Coord arcsec 2000 | 181836.74-134805.8 | Mag | 12.63 | Calc delta mag | 5.83 | Calc coord | yes |
Coord arcsec 2000 | 181836.07-134758.7 | Mag | 12.1 | Calc delta mag | 5.3 | Calc coord | yes |
Coord arcsec 2000 | 181836.03-134736.4 | Mag | 7.28 | Spectral class | O6.5V (blue) | PmRA | 1.00 | ||||
PmDE | -1.0 | Calc delta mag | 0.48 |
Coord arcsec 2000 | 181836.03-134736.4 | Mag | 11 | Calc delta mag | 4.2 | Calc coord | yes |
Coord arcsec 2000 | 181835.87-134735.1 | Mag | 13.1 | Calc delta mag | 6.3 | Calc coord | yes |
Coord arcsec 2000 | 181836.18-134739.0 | Mag | 11.41 | Calc delta mag | 4.61 | Calc coord | yes |
Coord arcsec 2000 | 181836.39-134734.2 | Mag | 13.86 | Calc delta mag | 7.06 | Calc coord | yes |