Exposure
ID
GRAVI.2025-11-25T04:45:17.093_1
Header ID
GRAVI.2025-11-25T04:45:17.093
Date updated
2025-11-25 04:56:38 UTC+0000
Release date
2025-11-25 04:45:17 UTC+0000
UTC Start
2025-11-25 04:45:17.093
UTC End
2025-11-25 04:48:29.093
MJD Start
61004.1981145
MJD End
61004.20033672223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0054485
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.575
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 43.4550 43.6630 138.2000 138.4000
A0-D0 26.8420 27.0100 42.1000 42.9000
A0-G1 69.2900 70.1100 98.3130 98.6480
B5-D0 53.4700 53.4830 348.2000 348.5000
B5-G1 45.5130 45.9660 60.5140 61.2650
D0-G1 58.7690 59.2690 120.6280 120.7760
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 61004.1981145
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 43.455
HIERARCH ESO ISS PBL12 END 43.663
HIERARCH ESO ISS PBLA12 START 138.2
HIERARCH ESO ISS PBLA12 END 138.4
HIERARCH ESO ISS PBL13 START 26.842
HIERARCH ESO ISS PBL13 END 27.01
HIERARCH ESO ISS PBLA13 START 42.1
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 69.29
HIERARCH ESO ISS PBL14 END 70.11
HIERARCH ESO ISS PBLA14 START 98.313
HIERARCH ESO ISS PBLA14 END 98.648
HIERARCH ESO ISS PBL23 START 53.47
HIERARCH ESO ISS PBL23 END 53.483
HIERARCH ESO ISS PBLA23 START 348.2
HIERARCH ESO ISS PBLA23 END 348.5
HIERARCH ESO ISS PBL24 START 45.513
HIERARCH ESO ISS PBL24 END 45.966
HIERARCH ESO ISS PBLA24 START 60.514
HIERARCH ESO ISS PBLA24 END 61.265
HIERARCH ESO ISS PBL34 START 58.769
HIERARCH ESO ISS PBL34 END 59.269
HIERARCH ESO ISS PBLA34 START 120.628
HIERARCH ESO ISS PBLA34 END 120.776
HIERARCH ESO ISS AMBI TAU0 START 0.005176
HIERARCH ESO ISS AMBI TAU0 END 0.005721
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.54