Exposure
ID
GRAVI.2025-11-16T05:52:08.455_1
Header ID
GRAVI.2025-11-16T05:52:08.455
Date updated
2025-11-16 06:07:19 UTC+0000
Release date
2025-11-16 05:52:08 UTC+0000
UTC Start
2025-11-16 05:52:08.455
UTC End
2025-11-16 05:55:20.455
MJD Start
60995.2445423
MJD End
60995.24676452223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.003032
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.475
Observation
ID
71777
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
53286
Name
HD_50235
RA
102.715461
DEC
-34.36731
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 22.9660 23.0720 130.3000 130.6000
A0-D0 30.3500 30.4560 52.6000 53.3000
A0-C1 20.0630 20.1970 100.8550 101.3000
B2-D0 33.9310 33.9300 11.2000 11.8000
B2-C1 11.3030 11.3020 11.2120 11.7210
D0-C1 22.6280 22.6270 191.2690 191.7770
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 60995.2445423
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715461
DEC -34.36731
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 22.966
HIERARCH ESO ISS PBL12 END 23.072
HIERARCH ESO ISS PBLA12 START 130.3
HIERARCH ESO ISS PBLA12 END 130.6
HIERARCH ESO ISS PBL13 START 30.35
HIERARCH ESO ISS PBL13 END 30.456
HIERARCH ESO ISS PBLA13 START 52.6
HIERARCH ESO ISS PBLA13 END 53.3
HIERARCH ESO ISS PBL14 START 20.063
HIERARCH ESO ISS PBL14 END 20.197
HIERARCH ESO ISS PBLA14 START 100.855
HIERARCH ESO ISS PBLA14 END 101.3
HIERARCH ESO ISS PBL23 START 33.931
HIERARCH ESO ISS PBL23 END 33.93
HIERARCH ESO ISS PBLA23 START 11.2
HIERARCH ESO ISS PBLA23 END 11.8
HIERARCH ESO ISS PBL24 START 11.303
HIERARCH ESO ISS PBL24 END 11.302
HIERARCH ESO ISS PBLA24 START 11.212
HIERARCH ESO ISS PBLA24 END 11.721
HIERARCH ESO ISS PBL34 START 22.628
HIERARCH ESO ISS PBL34 END 22.627
HIERARCH ESO ISS PBLA34 START 191.269
HIERARCH ESO ISS PBLA34 END 191.777
HIERARCH ESO ISS AMBI TAU0 START 0.003245
HIERARCH ESO ISS AMBI TAU0 END 0.002819
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.5