Exposure
ID
GRAVI.2025-07-21T05:44:13.073_1
Header ID
GRAVI.2025-07-21T05:44:13.073
Date updated
2025-07-21 06:00:35 UTC+0000
Release date
2026-07-21 06:00:35 UTC+0000
UTC Start
2025-07-21 05:44:13.073
UTC End
2025-07-21 05:50:53.073
MJD Start
60877.2390402
MJD End
60877.24366982963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004597
Ambient temperature (°C)
15.03
Seeing (arcsec)
0.5549999999999999
Observation
ID
68894
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
51257
Name
HD_184962
RA
294.09382
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 73.9310 72.4530 107.8000 107.7000
A0-J2 120.2080 118.7760 86.4000 85.9000
A0-K0 127.1270 126.6760 69.9690 69.4170
G1-J2 58.0350 58.1350 58.7000 58.3000
G1-K0 82.3700 83.0080 36.5450 36.6640
J2-K0 36.0240 36.0180 359.1420 0.1810
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 60877.2390402
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD184962
HIERARCH ESO INS SOBJ NAME HD_184962
RA 294.09382
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 73.931
HIERARCH ESO ISS PBL12 END 72.453
HIERARCH ESO ISS PBLA12 START 107.8
HIERARCH ESO ISS PBLA12 END 107.7
HIERARCH ESO ISS PBL13 START 120.208
HIERARCH ESO ISS PBL13 END 118.776
HIERARCH ESO ISS PBLA13 START 86.4
HIERARCH ESO ISS PBLA13 END 85.9
HIERARCH ESO ISS PBL14 START 127.127
HIERARCH ESO ISS PBL14 END 126.676
HIERARCH ESO ISS PBLA14 START 69.969
HIERARCH ESO ISS PBLA14 END 69.417
HIERARCH ESO ISS PBL23 START 58.035
HIERARCH ESO ISS PBL23 END 58.135
HIERARCH ESO ISS PBLA23 START 58.7
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 82.37
HIERARCH ESO ISS PBL24 END 83.008
HIERARCH ESO ISS PBLA24 START 36.545
HIERARCH ESO ISS PBLA24 END 36.664
HIERARCH ESO ISS PBL34 START 36.024
HIERARCH ESO ISS PBL34 END 36.018
HIERARCH ESO ISS PBLA34 START 359.142
HIERARCH ESO ISS PBLA34 END 0.181
HIERARCH ESO ISS AMBI TAU0 START 0.0043
HIERARCH ESO ISS AMBI TAU0 END 0.004894
HIERARCH ESO ISS AMBI TEMP 15.03
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.53