Exposure
ID
GRAVI.2025-11-25T04:37:08.071_1
Header ID
GRAVI.2025-11-25T04:37:08.071
Date updated
2025-11-25 04:50:57 UTC+0000
Release date
2025-11-25 04:37:08 UTC+0000
UTC Start
2025-11-25 04:37:08.071
UTC End
2025-11-25 04:40:20.071
MJD Start
61004.19245453
MJD End
61004.194676752224
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0047095
Ambient temperature (°C)
12.4
Seeing (arcsec)
0.6499999999999999
Observation
ID
71847
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
53289
Name
HD_58215
RA
110.86846
DEC
-27.83432
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 42.9830 43.1990 138.0000 138.1000
A0-D0 26.4730 26.6400 40.2000 41.1000
A0-G1 67.4320 68.2800 97.5710 97.9070
B5-D0 53.4390 53.4540 347.4000 347.7000
B5-G1 44.5040 44.9630 58.8030 59.5860
D0-G1 57.6350 58.1540 120.3260 120.4590
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 61004.19245453
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 58215
HIERARCH ESO INS SOBJ NAME HD_58215
RA 110.86846
DEC -27.83432
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 D0
HIERARCH ESO ISS CONF STATION4 G1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 42.983
HIERARCH ESO ISS PBL12 END 43.199
HIERARCH ESO ISS PBLA12 START 138.0
HIERARCH ESO ISS PBLA12 END 138.1
HIERARCH ESO ISS PBL13 START 26.473
HIERARCH ESO ISS PBL13 END 26.64
HIERARCH ESO ISS PBLA13 START 40.2
HIERARCH ESO ISS PBLA13 END 41.1
HIERARCH ESO ISS PBL14 START 67.432
HIERARCH ESO ISS PBL14 END 68.28
HIERARCH ESO ISS PBLA14 START 97.571
HIERARCH ESO ISS PBLA14 END 97.907
HIERARCH ESO ISS PBL23 START 53.439
HIERARCH ESO ISS PBL23 END 53.454
HIERARCH ESO ISS PBLA23 START 347.4
HIERARCH ESO ISS PBLA23 END 347.7
HIERARCH ESO ISS PBL24 START 44.504
HIERARCH ESO ISS PBL24 END 44.963
HIERARCH ESO ISS PBLA24 START 58.803
HIERARCH ESO ISS PBLA24 END 59.586
HIERARCH ESO ISS PBL34 START 57.635
HIERARCH ESO ISS PBL34 END 58.154
HIERARCH ESO ISS PBLA34 START 120.326
HIERARCH ESO ISS PBLA34 END 120.459
HIERARCH ESO ISS AMBI TAU0 START 0.004856
HIERARCH ESO ISS AMBI TAU0 END 0.004563
HIERARCH ESO ISS AMBI TEMP 12.4
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.61