Exposure
ID
GRAVI.2025-05-28T09:15:31.405_1
Header ID
GRAVI.2025-05-28T09:15:31.405
Date updated
2025-05-28 09:30:58 UTC+0000
Release date
2026-05-28 09:30:58 UTC+0000
UTC Start
2025-05-28 09:15:31.405
UTC End
2025-05-28 09:22:11.405
MJD Start
60823.38578015
MJD End
60823.390409779626
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0038065
Ambient temperature (°C)
12.5
Seeing (arcsec)
1.205
Observation
ID
67617
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
50288
Name
HD_184962
RA
294.093822
DEC
15.89265
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 74.1390 72.6730 107.8000 107.7000
A0-J2 120.4040 118.9910 86.5000 86.0000
A0-K0 127.1840 126.7470 70.0490 69.4980
G1-J2 58.0170 58.1230 58.8000 58.3000
G1-K0 82.2780 82.9190 36.5260 36.6470
J2-K0 36.0280 36.0200 358.9950 0.0290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60823.38578015
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD184962
HIERARCH ESO INS SOBJ NAME HD_184962
RA 294.093822
DEC 15.89265
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 74.139
HIERARCH ESO ISS PBL12 END 72.673
HIERARCH ESO ISS PBLA12 START 107.8
HIERARCH ESO ISS PBLA12 END 107.7
HIERARCH ESO ISS PBL13 START 120.404
HIERARCH ESO ISS PBL13 END 118.991
HIERARCH ESO ISS PBLA13 START 86.5
HIERARCH ESO ISS PBLA13 END 86.0
HIERARCH ESO ISS PBL14 START 127.184
HIERARCH ESO ISS PBL14 END 126.747
HIERARCH ESO ISS PBLA14 START 70.049
HIERARCH ESO ISS PBLA14 END 69.498
HIERARCH ESO ISS PBL23 START 58.017
HIERARCH ESO ISS PBL23 END 58.123
HIERARCH ESO ISS PBLA23 START 58.8
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 82.278
HIERARCH ESO ISS PBL24 END 82.919
HIERARCH ESO ISS PBLA24 START 36.526
HIERARCH ESO ISS PBLA24 END 36.647
HIERARCH ESO ISS PBL34 START 36.028
HIERARCH ESO ISS PBL34 END 36.02
HIERARCH ESO ISS PBLA34 START 358.995
HIERARCH ESO ISS PBLA34 END 0.029
HIERARCH ESO ISS AMBI TAU0 START 0.004308
HIERARCH ESO ISS AMBI TAU0 END 0.003305
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 1.16
HIERARCH ESO ISS AMBI FWHM END 1.25