Exposure
ID
GRAVI.2025-11-25T04:28:56.051_1
Header ID
GRAVI.2025-11-25T04:28:56.051
Date updated
2025-11-25 04:41:00 UTC+0000
Release date
2025-11-25 04:28:56 UTC+0000
UTC Start
2025-11-25 04:28:56.051
UTC End
2025-11-25 04:32:08.051
MJD Start
61004.18675985
MJD End
61004.18898207223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004392
Ambient temperature (°C)
12.46
Seeing (arcsec)
0.55
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 42.4910 42.7160 137.8000 137.9000
A0-D0 26.1090 26.2740 38.3000 39.2000
A0-G1 65.5080 66.3880 96.8230 97.1630
B5-D0 53.4040 53.4200 346.6000 346.9000
B5-G1 43.4840 43.9480 57.0110 57.8340
D0-G1 56.4570 56.9960 120.0580 120.1750
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 61004.18675985
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 42.491
HIERARCH ESO ISS PBL12 END 42.716
HIERARCH ESO ISS PBLA12 START 137.8
HIERARCH ESO ISS PBLA12 END 137.9
HIERARCH ESO ISS PBL13 START 26.109
HIERARCH ESO ISS PBL13 END 26.274
HIERARCH ESO ISS PBLA13 START 38.3
HIERARCH ESO ISS PBLA13 END 39.2
HIERARCH ESO ISS PBL14 START 65.508
HIERARCH ESO ISS PBL14 END 66.388
HIERARCH ESO ISS PBLA14 START 96.823
HIERARCH ESO ISS PBLA14 END 97.163
HIERARCH ESO ISS PBL23 START 53.404
HIERARCH ESO ISS PBL23 END 53.42
HIERARCH ESO ISS PBLA23 START 346.6
HIERARCH ESO ISS PBLA23 END 346.9
HIERARCH ESO ISS PBL24 START 43.484
HIERARCH ESO ISS PBL24 END 43.948
HIERARCH ESO ISS PBLA24 START 57.011
HIERARCH ESO ISS PBLA24 END 57.834
HIERARCH ESO ISS PBL34 START 56.457
HIERARCH ESO ISS PBL34 END 56.996
HIERARCH ESO ISS PBLA34 START 120.058
HIERARCH ESO ISS PBLA34 END 120.175
HIERARCH ESO ISS AMBI TAU0 START 0.00433
HIERARCH ESO ISS AMBI TAU0 END 0.004454
HIERARCH ESO ISS AMBI TEMP 12.46
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.58