Exposure
ID
GRAVI.2025-11-25T03:56:16.968_1
Header ID
GRAVI.2025-11-25T03:56:16.968
Date updated
2025-11-25 04:11:19 UTC+0000
Release date
2025-11-25 03:56:16 UTC+0000
UTC Start
2025-11-25 03:56:16.968
UTC End
2025-11-25 03:59:28.968
MJD Start
61004.16408528
MJD End
61004.16630750222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0043165
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.75
Observation
ID
71845
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 B5 D0 G1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 40.3950 40.6490 135.0000 135.2000
A0-D0 27.6790 27.8050 35.7000 36.6000
A0-G1 65.0410 65.8760 90.5660 91.0790
B5-D0 52.5040 52.5380 346.3000 346.7000
B5-G1 45.9280 46.3070 52.5610 53.4400
D0-G1 54.0510 54.6120 115.3090 115.5520
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 61004.16408528
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 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 40.395
HIERARCH ESO ISS PBL12 END 40.649
HIERARCH ESO ISS PBLA12 START 135.0
HIERARCH ESO ISS PBLA12 END 135.2
HIERARCH ESO ISS PBL13 START 27.679
HIERARCH ESO ISS PBL13 END 27.805
HIERARCH ESO ISS PBLA13 START 35.7
HIERARCH ESO ISS PBLA13 END 36.6
HIERARCH ESO ISS PBL14 START 65.041
HIERARCH ESO ISS PBL14 END 65.876
HIERARCH ESO ISS PBLA14 START 90.566
HIERARCH ESO ISS PBLA14 END 91.079
HIERARCH ESO ISS PBL23 START 52.504
HIERARCH ESO ISS PBL23 END 52.538
HIERARCH ESO ISS PBLA23 START 346.3
HIERARCH ESO ISS PBLA23 END 346.7
HIERARCH ESO ISS PBL24 START 45.928
HIERARCH ESO ISS PBL24 END 46.307
HIERARCH ESO ISS PBLA24 START 52.561
HIERARCH ESO ISS PBLA24 END 53.44
HIERARCH ESO ISS PBL34 START 54.051
HIERARCH ESO ISS PBL34 END 54.612
HIERARCH ESO ISS PBLA34 START 115.309
HIERARCH ESO ISS PBLA34 END 115.552
HIERARCH ESO ISS AMBI TAU0 START 0.004679
HIERARCH ESO ISS AMBI TAU0 END 0.003954
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.74