Exposure
ID
GRAVI.2025-11-28T07:36:47.251_1
Header ID
GRAVI.2025-11-28T07:36:47.251
Date updated
2025-11-28 07:46:14 UTC+0000
Release date
2026-11-28 07:46:14 UTC+0000
UTC Start
2025-11-28 07:36:47.251
UTC End
2025-11-28 07:39:27.251
MJD Start
61007.31721355
MJD End
61007.319065401854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.00398
Ambient temperature (°C)
14.22
Seeing (arcsec)
0.655
Observation
ID
71890
Category
science
Program ID
116.28P0.001
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG / ERCOLINO / JANIK
Target
ID
53371
Name
V_V1056_Ori
RA
95.200289
DEC
5.74059
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 40.3450 40.1940 154.3000 154.7000
A0-J2 123.5580 123.0620 90.9000 90.9000
A0-J6 160.6600 161.0440 33.5920 33.7240
B5-J2 111.4780 111.3390 72.1000 72.0000
B5-J6 184.5610 184.9670 22.7600 22.9840
J2-J6 140.1990 139.9090 345.6870 346.0860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 61007.31721355
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME V V1056 Ori
HIERARCH ESO INS SOBJ NAME V_V1056_Ori
RA 95.200289
DEC 5.74059
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 40.345
HIERARCH ESO ISS PBL12 END 40.194
HIERARCH ESO ISS PBLA12 START 154.3
HIERARCH ESO ISS PBLA12 END 154.7
HIERARCH ESO ISS PBL13 START 123.558
HIERARCH ESO ISS PBL13 END 123.062
HIERARCH ESO ISS PBLA13 START 90.9
HIERARCH ESO ISS PBLA13 END 90.9
HIERARCH ESO ISS PBL14 START 160.66
HIERARCH ESO ISS PBL14 END 161.044
HIERARCH ESO ISS PBLA14 START 33.592
HIERARCH ESO ISS PBLA14 END 33.724
HIERARCH ESO ISS PBL23 START 111.478
HIERARCH ESO ISS PBL23 END 111.339
HIERARCH ESO ISS PBLA23 START 72.1
HIERARCH ESO ISS PBLA23 END 72.0
HIERARCH ESO ISS PBL24 START 184.561
HIERARCH ESO ISS PBL24 END 184.967
HIERARCH ESO ISS PBLA24 START 22.76
HIERARCH ESO ISS PBLA24 END 22.984
HIERARCH ESO ISS PBL34 START 140.199
HIERARCH ESO ISS PBL34 END 139.909
HIERARCH ESO ISS PBLA34 START 345.687
HIERARCH ESO ISS PBLA34 END 346.086
HIERARCH ESO ISS AMBI TAU0 START 0.003788
HIERARCH ESO ISS AMBI TAU0 END 0.004172
HIERARCH ESO ISS AMBI TEMP 14.22
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.69