Exposure
ID
GRAVI.2025-11-19T07:08:57.416_1
Header ID
GRAVI.2025-11-19T07:08:57.416
Date updated
2025-11-19 07:26:08 UTC+0000
Release date
2025-11-19 07:08:57 UTC+0000
UTC Start
2025-11-19 07:08:57.416
UTC End
2025-11-19 07:12:09.416
MJD Start
60998.29788676
MJD End
60998.30010898223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0056215
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.925
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 24.7800 24.8290 136.5000 136.8000
A0-D0 31.3350 31.4150 63.2000 63.7000
A0-C1 21.9290 22.0020 109.3490 109.7150
B2-D0 33.9050 33.9110 18.7000 19.2000
B2-C1 11.2940 11.2960 18.6940 19.1580
D0-C1 22.6110 22.6150 198.7550 199.2200
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 60998.29788676
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 24.78
HIERARCH ESO ISS PBL12 END 24.829
HIERARCH ESO ISS PBLA12 START 136.5
HIERARCH ESO ISS PBLA12 END 136.8
HIERARCH ESO ISS PBL13 START 31.335
HIERARCH ESO ISS PBL13 END 31.415
HIERARCH ESO ISS PBLA13 START 63.2
HIERARCH ESO ISS PBLA13 END 63.7
HIERARCH ESO ISS PBL14 START 21.929
HIERARCH ESO ISS PBL14 END 22.002
HIERARCH ESO ISS PBLA14 START 109.349
HIERARCH ESO ISS PBLA14 END 109.715
HIERARCH ESO ISS PBL23 START 33.905
HIERARCH ESO ISS PBL23 END 33.911
HIERARCH ESO ISS PBLA23 START 18.7
HIERARCH ESO ISS PBLA23 END 19.2
HIERARCH ESO ISS PBL24 START 11.294
HIERARCH ESO ISS PBL24 END 11.296
HIERARCH ESO ISS PBLA24 START 18.694
HIERARCH ESO ISS PBLA24 END 19.158
HIERARCH ESO ISS PBL34 START 22.611
HIERARCH ESO ISS PBL34 END 22.615
HIERARCH ESO ISS PBLA34 START 198.755
HIERARCH ESO ISS PBLA34 END 199.22
HIERARCH ESO ISS AMBI TAU0 START 0.004437
HIERARCH ESO ISS AMBI TAU0 END 0.006806
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 0.86