Exposure
ID
GRAVI.2025-07-22T05:16:51.043_1
Header ID
GRAVI.2025-07-22T05:16:51.043
Date updated
2025-07-22 05:50:35 UTC+0000
Release date
2026-07-22 05:50:35 UTC+0000
UTC Start
2025-07-22 05:16:51.043
UTC End
2025-07-22 05:19:31.043
MJD Start
60878.22003522
MJD End
60878.22188707186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0064165
Ambient temperature (°C)
14.46
Seeing (arcsec)
0.515
Observation
ID
68911
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
51274
Name
113_Her
RA
283.68465
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 68.1780 67.4810 102.1000 101.9000
A0-J2 116.9980 116.3430 81.8000 81.5000
A0-K0 126.6770 126.4690 67.4430 67.1170
G1-J2 58.0440 58.0880 57.8000 57.6000
G1-K0 80.5090 80.8140 38.6730 38.6570
J2-K0 31.9740 31.9920 2.1010 2.5950
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 60878.22003522
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 113_Her
HIERARCH ESO INS SOBJ NAME 113_Her
RA 283.68465
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 68.178
HIERARCH ESO ISS PBL12 END 67.481
HIERARCH ESO ISS PBLA12 START 102.1
HIERARCH ESO ISS PBLA12 END 101.9
HIERARCH ESO ISS PBL13 START 116.998
HIERARCH ESO ISS PBL13 END 116.343
HIERARCH ESO ISS PBLA13 START 81.8
HIERARCH ESO ISS PBLA13 END 81.5
HIERARCH ESO ISS PBL14 START 126.677
HIERARCH ESO ISS PBL14 END 126.469
HIERARCH ESO ISS PBLA14 START 67.443
HIERARCH ESO ISS PBLA14 END 67.117
HIERARCH ESO ISS PBL23 START 58.044
HIERARCH ESO ISS PBL23 END 58.088
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 80.509
HIERARCH ESO ISS PBL24 END 80.814
HIERARCH ESO ISS PBLA24 START 38.673
HIERARCH ESO ISS PBLA24 END 38.657
HIERARCH ESO ISS PBL34 START 31.974
HIERARCH ESO ISS PBL34 END 31.992
HIERARCH ESO ISS PBLA34 START 2.101
HIERARCH ESO ISS PBLA34 END 2.595
HIERARCH ESO ISS AMBI TAU0 START 0.005494
HIERARCH ESO ISS AMBI TAU0 END 0.007339
HIERARCH ESO ISS AMBI TEMP 14.46
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.47