Exposure
- ID
- GRAVI.2021-05-29T06:32:40.559_2
- Header ID
- GRAVI.2021-05-29T06:32:40.559
- Date updated
- 2021-05-29 06:45:38 UTC+0000
- Release date
- 2022-05-29 06:45:38 UTC+0000
- UTC Start
- 2021-05-29 06:32:40.559
- UTC End
- 2021-05-29 06:38:00.559
- MJD Start
- 59363.27269166
- MJD End
- 59363.2763953637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0043485
- Ambient temperature (°C)
- 10.45
- Seeing (arcsec)
- 0.635
Observation
- ID
- 47451
- Category
- science
- 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 | 56.1130 | 56.0330 | 29.4000 | 29.9000 |
| U1-U3 | 101.5260 | 101.3420 | 35.8000 | 36.3000 |
| U1-U4 | 128.8230 | 128.4230 | 64.0640 | 64.6770 |
| U2-U3 | 46.1830 | 46.0790 | 43.5000 | 44.1000 |
| U2-U4 | 88.6390 | 88.3580 | 85.1830 | 85.8670 |
| U3-U4 | 62.2420 | 62.1240 | 114.7420 | 115.4910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59363.27269166 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416817 |
| DEC | -29.00713 |
| 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 | 56.113 |
| HIERARCH ESO ISS PBL12 END | 56.033 |
| HIERARCH ESO ISS PBLA12 START | 29.4 |
| HIERARCH ESO ISS PBLA12 END | 29.9 |
| HIERARCH ESO ISS PBL13 START | 101.526 |
| HIERARCH ESO ISS PBL13 END | 101.342 |
| HIERARCH ESO ISS PBLA13 START | 35.8 |
| HIERARCH ESO ISS PBLA13 END | 36.3 |
| HIERARCH ESO ISS PBL14 START | 128.823 |
| HIERARCH ESO ISS PBL14 END | 128.423 |
| HIERARCH ESO ISS PBLA14 START | 64.064 |
| HIERARCH ESO ISS PBLA14 END | 64.677 |
| HIERARCH ESO ISS PBL23 START | 46.183 |
| HIERARCH ESO ISS PBL23 END | 46.079 |
| HIERARCH ESO ISS PBLA23 START | 43.5 |
| HIERARCH ESO ISS PBLA23 END | 44.1 |
| HIERARCH ESO ISS PBL24 START | 88.639 |
| HIERARCH ESO ISS PBL24 END | 88.358 |
| HIERARCH ESO ISS PBLA24 START | 85.183 |
| HIERARCH ESO ISS PBLA24 END | 85.867 |
| HIERARCH ESO ISS PBL34 START | 62.242 |
| HIERARCH ESO ISS PBL34 END | 62.124 |
| HIERARCH ESO ISS PBLA34 START | 114.742 |
| HIERARCH ESO ISS PBLA34 END | 115.491 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004675 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004022 |
| HIERARCH ESO ISS AMBI TEMP | 10.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.71 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |