Exposure
ID
GRAVI.2025-03-04T01:31:39.774_1
Header ID
GRAVI.2025-03-04T01:31:39.774
Date updated
2025-03-04 01:40:55 UTC+0000
Release date
2025-03-04 01:31:39 UTC+0000
UTC Start
2025-03-04 01:31:39.774
UTC End
2025-03-04 01:34:51.774
MJD Start
60738.06365479
MJD End
60738.065877012225
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.005126
Ambient temperature (°C)
14.79
Seeing (arcsec)
0.685
Observation
ID
64952
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING 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
48292
Name
HD_50235
RA
102.715458
DEC
-34.36731
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.2740 90.1950 122.3000 122.8000
A0-J2 127.6240 127.3450 99.4000 100.0000
A0-C1 22.5650 22.5450 122.2800 122.8350
G1-J2 56.5620 56.3950 61.2000 61.6000
G1-C1 67.7090 67.6500 302.2620 302.8180
J2-C1 107.1860 106.9270 274.7560 275.2920
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60738.06365479
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 50235
HIERARCH ESO INS SOBJ NAME HD_50235
RA 102.715458
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 G1
HIERARCH ESO ISS CONF STATION3 J2
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 90.274
HIERARCH ESO ISS PBL12 END 90.195
HIERARCH ESO ISS PBLA12 START 122.3
HIERARCH ESO ISS PBLA12 END 122.8
HIERARCH ESO ISS PBL13 START 127.624
HIERARCH ESO ISS PBL13 END 127.345
HIERARCH ESO ISS PBLA13 START 99.4
HIERARCH ESO ISS PBLA13 END 100.0
HIERARCH ESO ISS PBL14 START 22.565
HIERARCH ESO ISS PBL14 END 22.545
HIERARCH ESO ISS PBLA14 START 122.28
HIERARCH ESO ISS PBLA14 END 122.835
HIERARCH ESO ISS PBL23 START 56.562
HIERARCH ESO ISS PBL23 END 56.395
HIERARCH ESO ISS PBLA23 START 61.2
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 67.709
HIERARCH ESO ISS PBL24 END 67.65
HIERARCH ESO ISS PBLA24 START 302.262
HIERARCH ESO ISS PBLA24 END 302.818
HIERARCH ESO ISS PBL34 START 107.186
HIERARCH ESO ISS PBL34 END 106.927
HIERARCH ESO ISS PBLA34 START 274.756
HIERARCH ESO ISS PBLA34 END 275.292
HIERARCH ESO ISS AMBI TAU0 START 0.005257
HIERARCH ESO ISS AMBI TAU0 END 0.004995
HIERARCH ESO ISS AMBI TEMP 14.79
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.65