Exposure
ID
GRAVI.2025-11-22T04:33:40.065_1
Header ID
GRAVI.2025-11-22T04:33:40.065
Date updated
2025-11-22 04:46:03 UTC+0000
Release date
2025-11-22 04:33:40 UTC+0000
UTC Start
2025-11-22 04:33:40.065
UTC End
2025-11-22 04:36:52.065
MJD Start
61001.19004705
MJD End
61001.19226927222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0206285
Ambient temperature (°C)
14.51
Seeing (arcsec)
0.32
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 20.6520 20.8130 128.8000 128.8000
A0-D0 25.7980 25.9600 36.6000 37.5000
A0-C1 15.9470 16.1730 96.1890 96.5330
B2-D0 33.6570 33.6560 358.7000 359.3000
B2-C1 11.2120 11.2120 358.7120 359.2510
D0-C1 22.4450 22.4440 178.7570 179.2960
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 61001.19004705
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 20.652
HIERARCH ESO ISS PBL12 END 20.813
HIERARCH ESO ISS PBLA12 START 128.8
HIERARCH ESO ISS PBLA12 END 128.8
HIERARCH ESO ISS PBL13 START 25.798
HIERARCH ESO ISS PBL13 END 25.96
HIERARCH ESO ISS PBLA13 START 36.6
HIERARCH ESO ISS PBLA13 END 37.5
HIERARCH ESO ISS PBL14 START 15.947
HIERARCH ESO ISS PBL14 END 16.173
HIERARCH ESO ISS PBLA14 START 96.189
HIERARCH ESO ISS PBLA14 END 96.533
HIERARCH ESO ISS PBL23 START 33.657
HIERARCH ESO ISS PBL23 END 33.656
HIERARCH ESO ISS PBLA23 START 358.7
HIERARCH ESO ISS PBLA23 END 359.3
HIERARCH ESO ISS PBL24 START 11.212
HIERARCH ESO ISS PBL24 END 11.212
HIERARCH ESO ISS PBLA24 START 358.712
HIERARCH ESO ISS PBLA24 END 359.251
HIERARCH ESO ISS PBL34 START 22.445
HIERARCH ESO ISS PBL34 END 22.444
HIERARCH ESO ISS PBLA34 START 178.757
HIERARCH ESO ISS PBLA34 END 179.296
HIERARCH ESO ISS AMBI TAU0 START 0.019952
HIERARCH ESO ISS AMBI TAU0 END 0.021305
HIERARCH ESO ISS AMBI TEMP 14.51
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.32