Exposure
ID
GRAVI.2025-06-24T03:02:27.838_1
Header ID
GRAVI.2025-06-24T03:02:27.838
Date updated
2025-06-24 03:15:51 UTC+0000
Release date
2025-06-24 03:02:27 UTC+0000
UTC Start
2025-06-24 03:02:27.838
UTC End
2025-06-24 03:05:39.838
MJD Start
60850.12671109
MJD End
60850.128933312226
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004079
Ambient temperature (°C)
11.23
Seeing (arcsec)
0.5549999999999999
Observation
ID
68226
Category
calibrator
Program ID
115.27VK.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
Target
ID
50709
Name
HD_168592
RA
275.57424
DEC
-38.65706
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 22.6200 22.7290 129.3000 129.6000
A0-D0 30.9170 30.9980 52.7000 53.4000
A0-C1 20.1390 20.2660 99.4640 99.9820
B2-D0 33.7960 33.7870 12.1000 12.6000
B2-C1 11.2570 11.2550 12.0760 12.5910
D0-C1 22.5390 22.5330 192.1330 192.6480
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60850.12671109
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 168592
HIERARCH ESO INS SOBJ NAME HD_168592
RA 275.57424
DEC -38.65706
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 22.62
HIERARCH ESO ISS PBL12 END 22.729
HIERARCH ESO ISS PBLA12 START 129.3
HIERARCH ESO ISS PBLA12 END 129.6
HIERARCH ESO ISS PBL13 START 30.917
HIERARCH ESO ISS PBL13 END 30.998
HIERARCH ESO ISS PBLA13 START 52.7
HIERARCH ESO ISS PBLA13 END 53.4
HIERARCH ESO ISS PBL14 START 20.139
HIERARCH ESO ISS PBL14 END 20.266
HIERARCH ESO ISS PBLA14 START 99.464
HIERARCH ESO ISS PBLA14 END 99.982
HIERARCH ESO ISS PBL23 START 33.796
HIERARCH ESO ISS PBL23 END 33.787
HIERARCH ESO ISS PBLA23 START 12.1
HIERARCH ESO ISS PBLA23 END 12.6
HIERARCH ESO ISS PBL24 START 11.257
HIERARCH ESO ISS PBL24 END 11.255
HIERARCH ESO ISS PBLA24 START 12.076
HIERARCH ESO ISS PBLA24 END 12.591
HIERARCH ESO ISS PBL34 START 22.539
HIERARCH ESO ISS PBL34 END 22.533
HIERARCH ESO ISS PBLA34 START 192.133
HIERARCH ESO ISS PBLA34 END 192.648
HIERARCH ESO ISS AMBI TAU0 START 0.003549
HIERARCH ESO ISS AMBI TAU0 END 0.004609
HIERARCH ESO ISS AMBI TEMP 11.23
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.54