Exposure
ID
GRAVI.2025-09-20T00:54:56.339_1
Header ID
GRAVI.2025-09-20T00:54:56.339
Date updated
2025-09-20 01:05:56 UTC+0000
Release date
2025-09-20 00:54:56 UTC+0000
UTC Start
2025-09-20 00:54:56.339
UTC End
2025-09-20 00:57:36.339
MJD Start
60938.03815207
MJD End
60938.04000392186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0021374999999999996
Ambient temperature (°C)
14.33
Seeing (arcsec)
1.0550000000000002
Observation
ID
70160
Category
calibrator
Program ID
115.27VK.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
Target
ID
52059
Name
HD_182477
RA
291.338026
DEC
-13.89674
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 87.8060 87.5610 119.0000 119.3000
A0-J2 126.8650 126.5480 95.4000 95.6000
A0-K0 127.1520 126.9680 73.8460 73.9940
G1-J2 58.1670 58.1350 58.3000 58.5000
G1-K0 90.1800 90.2250 30.1810 30.4020
J2-K0 47.5900 47.5800 354.9800 355.3050
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60938.03815207
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 182477
HIERARCH ESO INS SOBJ NAME HD_182477
RA 291.338026
DEC -13.89674
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 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 87.806
HIERARCH ESO ISS PBL12 END 87.561
HIERARCH ESO ISS PBLA12 START 119.0
HIERARCH ESO ISS PBLA12 END 119.3
HIERARCH ESO ISS PBL13 START 126.865
HIERARCH ESO ISS PBL13 END 126.548
HIERARCH ESO ISS PBLA13 START 95.4
HIERARCH ESO ISS PBLA13 END 95.6
HIERARCH ESO ISS PBL14 START 127.152
HIERARCH ESO ISS PBL14 END 126.968
HIERARCH ESO ISS PBLA14 START 73.846
HIERARCH ESO ISS PBLA14 END 73.994
HIERARCH ESO ISS PBL23 START 58.167
HIERARCH ESO ISS PBL23 END 58.135
HIERARCH ESO ISS PBLA23 START 58.3
HIERARCH ESO ISS PBLA23 END 58.5
HIERARCH ESO ISS PBL24 START 90.18
HIERARCH ESO ISS PBL24 END 90.225
HIERARCH ESO ISS PBLA24 START 30.181
HIERARCH ESO ISS PBLA24 END 30.402
HIERARCH ESO ISS PBL34 START 47.59
HIERARCH ESO ISS PBL34 END 47.58
HIERARCH ESO ISS PBLA34 START 354.98
HIERARCH ESO ISS PBLA34 END 355.305
HIERARCH ESO ISS AMBI TAU0 START 0.00207
HIERARCH ESO ISS AMBI TAU0 END 0.002205
HIERARCH ESO ISS AMBI TEMP 14.33
HIERARCH ESO ISS AMBI FWHM START 1.06
HIERARCH ESO ISS AMBI FWHM END 1.05