Exposure
ID
GRAVI.2021-05-23T07:05:42.545_2
Header ID
GRAVI.2021-05-23T07:05:42.545
Date updated
2021-05-23 07:20:16 UTC+0000
Release date
2021-05-23 07:05:42 UTC+0000
UTC Start
2021-05-23 07:05:42.545
UTC End
2021-05-23 07:11:02.545
MJD Start
59357.29563131
MJD End
59357.2993350137
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.007313
Ambient temperature (°C)
11.45
Seeing (arcsec)
0.295
Observation
ID
47449
Category
calibrator
Program ID
105.20B2.002
Program Title
THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
Program Type
GTO
PI / COI
EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
ID
35588
Name
IRS16C
RA
266.4171125
DEC
-29.0076491944444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.9770 55.8830 30.3000 30.8000
U1-U3 101.2130 100.9970 36.7000 37.2000
U1-U4 128.1370 127.6510 65.0710 65.6680
U2-U3 46.0060 45.8820 44.4000 45.0000
U2-U4 88.1550 87.8040 86.3120 86.9950
U3-U4 62.0350 61.8780 115.9840 116.7520
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 105.20B2.002
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,DUAL
MJD-OBS 59357.29563131
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME IRS16C
HIERARCH ESO INS SOBJ NAME R2
RA 266.416924
DEC -29.00736
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 55.977
HIERARCH ESO ISS PBL12 END 55.883
HIERARCH ESO ISS PBLA12 START 30.3
HIERARCH ESO ISS PBLA12 END 30.8
HIERARCH ESO ISS PBL13 START 101.213
HIERARCH ESO ISS PBL13 END 100.997
HIERARCH ESO ISS PBLA13 START 36.7
HIERARCH ESO ISS PBLA13 END 37.2
HIERARCH ESO ISS PBL14 START 128.137
HIERARCH ESO ISS PBL14 END 127.651
HIERARCH ESO ISS PBLA14 START 65.071
HIERARCH ESO ISS PBLA14 END 65.668
HIERARCH ESO ISS PBL23 START 46.006
HIERARCH ESO ISS PBL23 END 45.882
HIERARCH ESO ISS PBLA23 START 44.4
HIERARCH ESO ISS PBLA23 END 45.0
HIERARCH ESO ISS PBL24 START 88.155
HIERARCH ESO ISS PBL24 END 87.804
HIERARCH ESO ISS PBLA24 START 86.312
HIERARCH ESO ISS PBLA24 END 86.995
HIERARCH ESO ISS PBL34 START 62.035
HIERARCH ESO ISS PBL34 END 61.878
HIERARCH ESO ISS PBLA34 START 115.984
HIERARCH ESO ISS PBLA34 END 116.752
HIERARCH ESO ISS AMBI TAU0 START 0.007936
HIERARCH ESO ISS AMBI TAU0 END 0.00669
HIERARCH ESO ISS AMBI TEMP 11.45
HIERARCH ESO ISS AMBI FWHM START 0.27
HIERARCH ESO ISS AMBI FWHM END 0.32
HIERARCH ESO FT ROBJ NAME IRS16C
HIERARCH ESO FT ROBJ ALPHA 174540.1070
HIERARCH ESO FT ROBJ DELTA -290027.5371