Exposure
ID
GRAVI.2025-11-28T05:47:13.972_1
Header ID
GRAVI.2025-11-28T05:47:13.972
Date updated
2025-11-28 06:01:42 UTC+0000
Release date
2025-11-28 05:47:13 UTC+0000
UTC Start
2025-11-28 05:47:13.972
UTC End
2025-11-28 05:49:53.972
MJD Start
61007.24113394
MJD End
61007.242985791854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0056625
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.5
Observation
ID
71887
Category
calibrator
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
53368
Name
HD_61642
RA
114.63428
DEC
-38.78169
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 43.4990 43.6440 138.1000 138.3000
A0-J2 117.5400 118.0490 72.2000 72.8000
A0-J6 169.0640 169.0360 10.5660 10.9800
B5-J2 107.3430 107.5880 50.5000 51.1000
B5-J6 198.5780 198.5730 0.5620 0.9210
J2-J6 153.4470 153.8060 328.1670 328.4140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61007.24113394
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 61642
HIERARCH ESO INS SOBJ NAME HD_61642
RA 114.63428
DEC -38.78169
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 43.499
HIERARCH ESO ISS PBL12 END 43.644
HIERARCH ESO ISS PBLA12 START 138.1
HIERARCH ESO ISS PBLA12 END 138.3
HIERARCH ESO ISS PBL13 START 117.54
HIERARCH ESO ISS PBL13 END 118.049
HIERARCH ESO ISS PBLA13 START 72.2
HIERARCH ESO ISS PBLA13 END 72.8
HIERARCH ESO ISS PBL14 START 169.064
HIERARCH ESO ISS PBL14 END 169.036
HIERARCH ESO ISS PBLA14 START 10.566
HIERARCH ESO ISS PBLA14 END 10.98
HIERARCH ESO ISS PBL23 START 107.343
HIERARCH ESO ISS PBL23 END 107.588
HIERARCH ESO ISS PBLA23 START 50.5
HIERARCH ESO ISS PBLA23 END 51.1
HIERARCH ESO ISS PBL24 START 198.578
HIERARCH ESO ISS PBL24 END 198.573
HIERARCH ESO ISS PBLA24 START 0.562
HIERARCH ESO ISS PBLA24 END 0.921
HIERARCH ESO ISS PBL34 START 153.447
HIERARCH ESO ISS PBL34 END 153.806
HIERARCH ESO ISS PBLA34 START 328.167
HIERARCH ESO ISS PBLA34 END 328.414
HIERARCH ESO ISS AMBI TAU0 START 0.004872
HIERARCH ESO ISS AMBI TAU0 END 0.006453
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.47