Exposure
ID
GRAVI.2025-09-23T01:17:20.709_1
Header ID
GRAVI.2025-09-23T01:17:20.709
Date updated
2025-09-23 01:26:08 UTC+0000
Release date
2026-09-23 01:26:08 UTC+0000
UTC Start
2025-09-23 01:17:20.709
UTC End
2025-09-23 01:20:00.709
MJD Start
60941.05371191
MJD End
60941.05556376185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004671
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.915
Observation
ID
70500
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
52278
Name
113_Her
RA
283.684649
DEC
22.64508
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 66.2050 65.4800 101.6000 101.5000
A0-J2 115.1300 114.4330 80.9000 80.5000
A0-K0 126.0600 125.8110 66.5260 66.1960
G1-J2 58.1520 58.1790 57.1000 56.8000
G1-K0 81.3490 81.6410 38.6200 38.5970
J2-K0 32.0330 32.0610 3.4830 3.9790
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 60941.05371191
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 113_Her
HIERARCH ESO INS SOBJ NAME 113_Her
RA 283.684649
DEC 22.64508
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 66.205
HIERARCH ESO ISS PBL12 END 65.48
HIERARCH ESO ISS PBLA12 START 101.6
HIERARCH ESO ISS PBLA12 END 101.5
HIERARCH ESO ISS PBL13 START 115.13
HIERARCH ESO ISS PBL13 END 114.433
HIERARCH ESO ISS PBLA13 START 80.9
HIERARCH ESO ISS PBLA13 END 80.5
HIERARCH ESO ISS PBL14 START 126.06
HIERARCH ESO ISS PBL14 END 125.811
HIERARCH ESO ISS PBLA14 START 66.526
HIERARCH ESO ISS PBLA14 END 66.196
HIERARCH ESO ISS PBL23 START 58.152
HIERARCH ESO ISS PBL23 END 58.179
HIERARCH ESO ISS PBLA23 START 57.1
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 81.349
HIERARCH ESO ISS PBL24 END 81.641
HIERARCH ESO ISS PBLA24 START 38.62
HIERARCH ESO ISS PBLA24 END 38.597
HIERARCH ESO ISS PBL34 START 32.033
HIERARCH ESO ISS PBL34 END 32.061
HIERARCH ESO ISS PBLA34 START 3.483
HIERARCH ESO ISS PBLA34 END 3.979
HIERARCH ESO ISS AMBI TAU0 START 0.003891
HIERARCH ESO ISS AMBI TAU0 END 0.005451
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 0.89