Exposure
ID
GRAVI.2025-11-22T04:50:01.107_1
Header ID
GRAVI.2025-11-22T04:50:01.107
Date updated
2025-11-22 05:00:59 UTC+0000
Release date
2025-11-22 04:50:01 UTC+0000
UTC Start
2025-11-22 04:50:01.107
UTC End
2025-11-22 04:53:13.107
MJD Start
61001.2014017
MJD End
61001.20362392222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.018192
Ambient temperature (°C)
14.01
Seeing (arcsec)
0.345
Observation
ID
71781
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 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 21.3440 21.4930 129.1000 129.3000
A0-D0 26.5230 26.6890 40.5000 41.3000
A0-C1 16.9200 17.1310 97.6910 98.0230
B2-D0 33.6570 33.6580 1.1000 1.7000
B2-C1 11.2120 11.2130 1.0910 1.6250
D0-C1 22.4450 22.4460 181.1380 181.6730
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 61001.2014017
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 21.344
HIERARCH ESO ISS PBL12 END 21.493
HIERARCH ESO ISS PBLA12 START 129.1
HIERARCH ESO ISS PBLA12 END 129.3
HIERARCH ESO ISS PBL13 START 26.523
HIERARCH ESO ISS PBL13 END 26.689
HIERARCH ESO ISS PBLA13 START 40.5
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 16.92
HIERARCH ESO ISS PBL14 END 17.131
HIERARCH ESO ISS PBLA14 START 97.691
HIERARCH ESO ISS PBLA14 END 98.023
HIERARCH ESO ISS PBL23 START 33.657
HIERARCH ESO ISS PBL23 END 33.658
HIERARCH ESO ISS PBLA23 START 1.1
HIERARCH ESO ISS PBLA23 END 1.7
HIERARCH ESO ISS PBL24 START 11.212
HIERARCH ESO ISS PBL24 END 11.213
HIERARCH ESO ISS PBLA24 START 1.091
HIERARCH ESO ISS PBLA24 END 1.625
HIERARCH ESO ISS PBL34 START 22.445
HIERARCH ESO ISS PBL34 END 22.446
HIERARCH ESO ISS PBLA34 START 181.138
HIERARCH ESO ISS PBLA34 END 181.673
HIERARCH ESO ISS AMBI TAU0 START 0.017485
HIERARCH ESO ISS AMBI TAU0 END 0.018899
HIERARCH ESO ISS AMBI TEMP 14.01
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.35