Coord 2000 | 18181-1215 | Discov num | BRT2749 | Comp | KJ | Coord arcsec 2000 | 18 18 02.62 -12 14 39.8 | ||||
Date first | 1906 | Date last | 2015 | Obs | 8 | ||||||
Pa first | 118 | Pa last | 120.5 | P.A. Now (θ) | 120.5° | ||||||
Sep first | 4.9 | Sep last | 4.297 | Sep. Now (ρ) | 4.297" | ||||||
Mag pri | 10.51 | Mag sec | 11.42 | delta mag (ΔM) | 0.91 | Spectral class | B (blue-white) | ||||
Pri motion ra | -001 | Sec motion ra | |||||||||
Pri motion dec | -006 | Sec motion dec | |||||||||
Notes | N (See Notes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 161292 | 18 18 06 -12 14 33 | DBK 1 Aa,Ab | 2019 | 16 | 262 | 0.0 | 5.80 | 6.00 | 0.20 | Y | ||
Show | 161292 | 18 18 06 -12 14 33 | TRN 27 AB | 2012 | 3 | 40 | 4.8 | 7.45 | 16.00 | 8.55 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AC | 2015 | 6 | 191 | 14.4 | 7.45 | 14.30 | 6.85 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AD | 2015 | 9 | 260 | 18.1 | 7.45 | 12.90 | 5.45 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AE | 2015 | 9 | 217 | 18.1 | 7.45 | 13.00 | 5.55 | |||
Show | MY Ser | 161292 | 18 18 06 -12 14 33 | SS 7 AF | 2018 | 14 | 16 | 30.1 | 7.45 | 10.80 | 3.35 | ||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AG | 2015 | 7 | 9 | 39.4 | 7.45 | 15.50 | 8.05 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AH | 2018 | 12 | 268 | 40.8 | 7.45 | 9.80 | 2.35 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AI | 2015 | 5 | 299 | 45.7 | 7.45 | 13.70 | 6.25 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AJ | 2015 | 7 | 258 | 45.4 | 7.45 | 11.42 | 3.97 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AK | 2015 | 6 | 262 | 48.6 | 7.45 | 10.51 | 3.06 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AL | 2015 | 7 | 348 | 51.8 | 7.45 | 14.50 | 7.05 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AM | 2015 | 7 | 255 | 64.4 | 7.45 | 15.30 | 7.85 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AN | 2015 | 7 | 280 | 71.3 | 7.45 | 15.10 | 7.65 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AO | 2015 | 7 | 305 | 72.1 | 7.45 | 15.90 | 8.45 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AP | 2018 | 11 | 285 | 72.5 | 7.45 | 10.40 | 2.95 | |||
Show | 161292 | 18 18 06 -12 14 33 | SS 7 AQ | 2015 | 9 | 291 | 84.9 | 7.45 | 11.70 | 4.25 | |||
Show | 18 18 03 -12 14 40 | BRT 2749 KJ | 2015 | 8 | 121 | 4.3 | 10.51 | 11.42 | 0.91 | <=== |
Constellation | Serpens | Gaia DR2 | 4153657340054934528 |
discov_num | notes | refcode |
TRN 27 | MY Ser. | |
TRN 27 | The image rotator was in an unknown state, so two possible theta | |
values are listed for the 2001.7447 observation - one for zenith up | ||
and one for north up. | Trn2008 | |
HD 167971 | Leitherer et al. (1987 A&A 185, 121) argue that this is a triple | |
system consisting of a close eclipsing pair and a brighter, distant O | ||
star; the spectral classification presumably applies to the latter | ||
star. | Msn1998a | |
DBK 1 | Aa,Ab: System includes a 3.3d eclipsing binary, unresolved in the VLTI | |
observations. De Becker et al. (2012) assume the components of the | ||
close pair are both O6.5V, and the wide component is O8I. V=7.35 for | ||
the system yields a distance of about 1.8 kpc, in good agreement with | ||
the 1.7 kpc distance determined by Reipurth (2008 Handbook of Star | ||
Forming Regions, vol 2, 590) for the NGC 6604 open cluster. The Aa,Ab | ||
orbit is thought to be very eccentric. | DBk2012 |
refcode | metd | author | reference |
DBk2012 | Kv j | De Becker, M., Sana, H., Absil, O., Le Bouquin, J.-B., & Blomme, R. | 2012MNRAS.423.2711D |
DBk2012 | +orb | MNRAS 423, 2711, 2012 | |
Msn1998a | Sc j | Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G., | 1998AJ....115..821M |
Msn1998a | ten Brummelaar, T.A., & McAlister, H.A. | ||
Msn1998a | AJ 115, 821, 1998 | ||
Trn2008 | Ac j | Turner, N.H., ten Brummelaar, T.A., Roberts, L.C., Mason, B.D., Hartkopf, W.I., & | 2008AJ....136..554T |
Trn2008 | +E2 | Gies, D.R. | |
Trn2008 | +A | AJ 136, 554, 2008 | |
Trn2008 | (Note: For some observations the image derotator was in an unknown state. In these | ||
Trn2008 | cases the theta value is either left blank or two possible values are listed - one | ||
Trn2008 | for zenith up and one for north up. For unresolved objects, the listed rho value | ||
Trn2008 | is the FWHM of the corrected stellar PSF. Larger FWHM values are indicative of | ||
Trn2008 | poorer seeing and/or non-optimal AO system tuning.) |
idgroup | discov | author |
1 | BRT | Barton, S.G. |
61 | SS | Sharpless, S. |
coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
18181-1215 | BRT2749 | KJ | 2000 | 4 | 121 | 4.4 | 10.51 | 11.42 | B | 181802.62-121439.8 | |
18181-1215 | BRT2749 | KJ | 2015 | 8 | 121 | 4.3 | 10.51 | 11.42 | B | N | 181802.62-121439.8 |
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. |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
A | Ab | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | |
Ab | pa=261.4° sep=0.02" | ||||||||||||||||
B | pa=39.8° sep=4.79" | pa=39.9° sep=4.81" | |||||||||||||||
C | pa=190.6° sep=14.40" | pa=190.5° sep=14.39" | pa=197.7° sep=18.73" | ||||||||||||||
D | pa=260.0° sep=17.72" | pa=260.0° sep=17.70" | pa=251.7° sep=21.61" | pa=306.8° sep=18.49" | |||||||||||||
E | pa=216.7° sep=17.96" | pa=216.6° sep=17.95" | pa=217.3° sep=22.75" | pa=268.2° sep=8.09" | pa=149.3° sep=13.17" | ||||||||||||
F | pa=15.2° sep=30.06" | pa=15.2° sep=30.07" | pa=10.7° sep=25.78" | pa=13.7° sep=44.42" | pa=38.3° sep=40.88" | pa=23.2° sep=47.23" | |||||||||||
G | pa=8.5° sep=39.39" | pa=8.5° sep=39.39" | pa=4.5° sep=35.38" | pa=9.1° sep=53.78" | pa=29.0° sep=48.06" | pa=17.2° sep=55.87" | pa=348.4° sep=10.15" | ||||||||||
H | pa=268.3° sep=39.86" | pa=268.3° sep=39.84" | pa=263.5° sep=43.19" | pa=289.2° sep=39.39" | pa=274.8° sep=22.47" | pa=294.4° sep=31.97" | pa=237.6° sep=56.48" | pa=228.7° sep=60.82" | |||||||||
I | pa=299.5° sep=44.89" | pa=299.5° sep=44.87" | pa=293.6° sep=45.99" | pa=314.8° sep=51.39" | pa=319.3° sep=33.18" | pa=322.1° sep=46.21" | pa=261.6° sep=47.46" | pa=249.4° sep=47.98" | pa=1.9° sep=23.30" | ||||||||
J | pa=257.9° sep=44.37" | pa=257.9° sep=44.35" | pa=254.4° sep=48.23" | pa=276.8° sep=41.04" | pa=256.6° sep=26.67" | pa=278.9° sep=33.07" | pa=233.2° sep=63.98" | pa=225.6° sep=68.91" | pa=203.7° sep=8.81" | pa=187.8° sep=31.65" | |||||||
K | pa=262.3° sep=48.52" | pa=262.3° sep=48.50" | pa=258.7° sep=52.15" | pa=279.6° sep=46.08" | pa=263.6° sep=30.82" | pa=282.0° sep=38.18" | pa=237.6° sep=66.26" | pa=229.9° sep=70.51" | pa=237.3° sep=9.79" | pa=197.5° sep=29.96" | pa=300.6° sep=5.45" | ||||||
L | pa=347.9° sep=51.72" | pa=347.9° sep=51.72" | pa=343.5° sep=48.91" | pa=352.8° sep=65.24" | pa=7.0° sep=54.06" | pa=359.9° sep=64.98" | pa=319.0° sep=28.56" | pa=304.8° sep=20.33" | pa=29.2° sep=59.34" | pa=44.7° sep=40.10" | pa=28.5° sep=68.11" | pa=33.1° sep=68.13" | |||||
M | pa=254.5° sep=63.04" | pa=254.5° sep=63.02" | pa=252.1° sep=67.03" | pa=267.3° sep=58.16" | pa=252.3° sep=45.43" | pa=267.2° sep=50.07" | pa=236.2° sep=82.54" | pa=230.0° sep=86.88" | pa=233.1° sep=26.12" | pa=209.1° sep=44.57" | pa=246.3° sep=18.94" | pa=230.6° sep=16.37" | pa=216.5° sep=83.89" | ||||
N | pa=279.8° sep=69.69" | pa=279.8° sep=69.67" | pa=276.5° sep=72.20" | pa=291.5° sep=70.98" | pa=286.3° sep=53.36" | pa=294.4° sep=63.63" | pa=257.4° sep=78.43" | pa=250.0° sep=79.26" | pa=294.4° sep=31.66" | pa=251.0° sep=31.29" | pa=309.9° sep=32.97" | pa=311.8° sep=27.60" | pa=236.2° sep=69.56" | pa=344.6° sep=29.84" | |||
O | pa=305.2° sep=70.98" | pa=305.2° sep=70.97" | pa=301.4° sep=71.52" | pa=314.9° sep=78.09" | pa=317.4° sep=59.84" | pa=319.5° sep=72.78" | pa=280.3° sep=66.92" | pa=271.8° sep=63.85" | pa=336.7° sep=45.89" | pa=314.9° sep=26.70" | pa=343.8° sep=52.29" | pa=348.2° sep=48.46" | pa=258.4° sep=48.10" | pa=2.7° sep=57.88" | pa=20.2° sep=30.95" | ||
P | pa=285.7° sep=71.00" | pa=285.7° sep=70.98" | pa=282.3° sep=73.08" | pa=297.0° sep=73.70" | pa=293.7° sep=55.57" | pa=300.3° sep=66.72" | pa=262.7° sep=76.82" | pa=255.1° sep=76.73" | pa=305.7° sep=35.08" | pa=264.5° sep=29.38" | pa=318.8° sep=37.90" | pa=321.8° sep=32.77" | pa=241.4° sep=65.44" | pa=348.1° sep=36.94" | pa=2.6° sep=7.38" | pa=205.5° sep=24.02" | |
Q | pa=291.1° sep=83.23" | pa=291.1° sep=83.22" | pa=288.1° sep=84.88" | pa=300.5° sep=87.03" | pa=298.8° sep=68.68" | pa=303.6° sep=80.31" | pa=270.7° sep=85.50" | pa=263.9° sep=83.94" | pa=309.6° sep=49.02" | pa=281.6° sep=39.36" | pa=318.9° sep=52.12" | pa=321.0° sep=46.98" | pa=252.9° sep=69.86" | pa=340.2° sep=49.85" | pa=333.7° sep=20.23" | pa=240.9° sep=22.47" | pa=319.2° sep=14.22" |
Coord arcsec 2000 | 181805.90-121433.3 | Mag | 7.45 | Spectral class | O8Ia (blue) | PmRA | 0.00 | ||||
PmDE | -3.0 | SAO | 161292 | HIP | 89681 | Tycho2 | 5685-04419-1 | ||||
HD | 167971 | GC | 24969 | BD | BD-12 4980 |
Tycho2 | 5685-04419-1 | Pflag | RAmdeg | 274.52456219 | DEmdeg | -12.24258212 | |||||
PmRA | -0.3 | PmDE | -1.7 | E RAmdeg | 5 | E DEmdeg | 6 | ||||
E pmRA | 1.1 | E pmDE | 1.1 | EpRAm | 1991.31 | EpDEm | 1991.01 | ||||
Num | 15 | Q RAmdeg | 1.2 | Q DEmdeg | 1.2 | Q pmRA | 1.1 | ||||
Q pmDE | 1.1 | BTmag | 8.291 | E BTmag | 0.016 | VTmag | 7.573 | ||||
E VTmag | 0.011 | Prox | 302 | TYC | T | HIP | 89681 | ||||
CCDM | RAdeg | 274.52456306 | DEdeg | -12.24257806 | EpRA 1990 | 1.91 | |||||
EpDE 1990 | 1.82 | E RAdeg | 4.8 | E DEdeg | 6.0 | Posflg | |||||
Corr | -0.2 |
SAO | 161292 | DelFlag | RA1950 | PmRA1950 | -0.0009 | ||||||
DE1950 | PmDE1950 | 0.012 | Vmag | 7.3 | SpType | B0 | |||||
Double code | Source | 70 | CatNum | 24969 | DM | BD-12 4980 | |||||
DMcomp | BDsup | HD | 167971 | M HD | 0 | ||||||
GC | 24969 | RA1950rad | 4.77911888 | DE1950rad | -0.21402423 | PmRA2000 | -0.0007 | ||||
PmDE2000 | 0.014 |
Catalog | H | HIP | 89681 | Proxy | RAhms | 18 18 05.90 | |||||
DEdms | -12 14 33.3 | Vmag | 7.38 | VarFlag | 2 | R Vmag | H | ||||
RAdeg | 274.525 | DEdeg | -12.2426 | AstroRef | Plx | 1.3 | |||||
CCDM | N CCDM | Nsys | Ncomp | 1 | |||||||
MultFlag | Source | Qual | S | M HIP | |||||||
Theta | Rho | HD | 167971 | BD | BD-12 4980 | ||||||
CD | CP | Dm number | -12 4980 | VIred | 0.72 | ||||||
SpType | O8/9f | R SpType | Coord arcsec 2000 | 181805.90-121433.3 |
HIP | 89681 | Sn | 5 | So | 0 | Nc | 1 | ||||
RArad | 4.791357533 | DErad | -0.2136733046 | Plx | 1.51 | PmRA | -1.75 | ||||
PmDE | -1.1 | E RArad | 0.73 | E DErad | 0.52 | E Plx | 0.83 | ||||
E pmRA | 1.04 | E pmDE | 0.65 | Hpmag | 7.5193 | E Hpmag | 0.0092 | ||||
SHp | 0.093 | VA | 1 | BV | 0.657 | E BV | 0.018 | ||||
VI | 0.72 |
Coord arcsec 2000 | 181805.90-121433.3 | Mag | 6 | Calc delta mag | 0.2 | Calc coord | yes |
Coord arcsec 2000 | 181806.11-121429.6 | Mag | 16 | Calc delta mag | 10.2 | Calc coord | yes |
Coord arcsec 2000 | 181805.72-121447.5 | Mag | 14.3 | PmRA | -12.00 | PmDE | -9.0 | ||||
Calc delta mag | 8.5 | Calc coord | yes |
Coord arcsec 2000 | 181804.71-121436.4 | Mag | 12.9 | PmRA | -5.00 | PmDE | -5.0 | ||||
Calc delta mag | 7.1 | Calc coord | yes |
Coord arcsec 2000 | 181805.17-121447.7 | Mag | 13 | PmRA | -9.00 | PmDE | -5.0 | ||||
Calc delta mag | 7.2 | Calc coord | yes |
Coord arcsec 2000 | 181806.44-121404.3 | Mag | 10.8 | Spectral class | B0 (blue-white) | PmRA | -2.00 | ||||
PmDE | -1.0 | Calc delta mag | 5 | Calc coord | yes |
Coord arcsec 2000 | 181806.30-121354.3 | Mag | 15.5 | PmRA | -4.00 | PmDE | 0.0 | ||||
Calc delta mag | 9.7 | Calc coord | yes |
Coord arcsec 2000 | 181803.18-121434.5 | Mag | 9.8 | Spectral class | O9.5V (blue) | PmRA | 0.00 | ||||
PmDE | -1.0 | Calc delta mag | 4 | Calc coord | yes |
Coord arcsec 2000 | 181803.23-121411.2 | Mag | 13.7 | Calc delta mag | 7.9 | Calc coord | yes |
Coord arcsec 2000 | 181802.94-121442.6 | Mag | 11.42 | Calc delta mag | 5.62 | Calc coord | yes |
Coord arcsec 2000 | 181802.62-121439.8 | Coord calc | 181802.62-121439.8 | Mag | 10.51 | Spectral class | B (blue-white) | ||||
PmRA | -1.00 | PmDE | -6.0 | Calc delta mag | 4.71 |
Coord arcsec 2000 | 181805.16-121342.7 | Mag | 14.5 | PmRA | -6.00 | PmDE | -12.0 | ||||
Calc delta mag | 8.7 | Calc coord | yes |
Coord arcsec 2000 | 181801.76-121450.2 | Mag | 15.3 | PmRA | -10.00 | PmDE | 0.0 | ||||
Calc delta mag | 9.5 | Calc coord | yes |
Coord arcsec 2000 | 181801.22-121421.4 | Mag | 15.1 | PmRA | 3.00 | PmDE | -24.0 | ||||
Calc delta mag | 9.3 | Calc coord | yes |
Coord arcsec 2000 | 181801.94-121352.4 | Mag | 15.9 | PmRA | 7.00 | PmDE | 2.0 | ||||
Calc delta mag | 10.1 | Calc coord | yes |
Coord arcsec 2000 | 181801.24-121414.0 | Mag | 10.4 | Spectral class | B (blue-white) | PmRA | -1.00 | ||||
PmDE | -6.0 | Tycho2 | 5685-04407-1 | Calc delta mag | 4.6 | Calc coord | yes |
Tycho2 | 5685-04407-1 | Pflag | RAmdeg | 274.50470318 | DEmdeg | -12.23714770 | |||||
PmRA | -0.6 | PmDE | -5.9 | E RAmdeg | 41 | E DEmdeg | 47 | ||||
E pmRA | 2.0 | E pmDE | 2.0 | EpRAm | 1986.59 | EpDEm | 1984.48 | ||||
Num | 3 | Q RAmdeg | 1.9 | Q DEmdeg | 0.5 | Q pmRA | 1.9 | ||||
Q pmDE | 0.4 | BTmag | 11.266 | E BTmag | 0.083 | VTmag | 10.508 | ||||
E VTmag | 0.063 | Prox | 56 | TYC | T | HIP | |||||
CCDM | RAdeg | 274.50470444 | DEdeg | -12.23713444 | EpRA 1990 | 1.94 | |||||
EpDE 1990 | 1.89 | E RAdeg | 42.2 | E DEdeg | 49.4 | Posflg | |||||
Corr | -0.4 |
Coord arcsec 2000 | 181800.60-121403.3 | Mag | 11.7 | PmRA | -2.00 | PmDE | -3.0 | ||||
Calc delta mag | 5.9 | Calc coord | yes |