Exposure
- ID
- GRAVI.2021-05-23T06:25:33.444_2
- Header ID
- GRAVI.2021-05-23T06:25:33.444
- Date updated
- 2021-05-23 06:40:17 UTC+0000
- Release date
- 2022-05-23 06:40:17 UTC+0000
- UTC Start
- 2021-05-23 06:25:33.444
- UTC End
- 2021-05-23 06:30:53.444
- MJD Start
- 59357.26774819
- MJD End
- 59357.2714518937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008208
- Ambient temperature (°C)
- 11.51
- Seeing (arcsec)
- 0.27
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 | 56.4180 | 56.3760 | 26.2000 | 26.8000 |
| U1-U3 | 102.2030 | 102.1140 | 32.6000 | 33.2000 |
| U1-U4 | 130.0950 | 129.9660 | 60.6340 | 61.2990 |
| U2-U3 | 46.5520 | 46.5060 | 40.3000 | 40.9000 |
| U2-U4 | 89.4170 | 89.3640 | 81.5170 | 82.2080 |
| U3-U4 | 62.4560 | 62.4710 | 110.9350 | 111.6250 |
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 | 59357.26774819 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| 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 | 56.418 |
| HIERARCH ESO ISS PBL12 END | 56.376 |
| HIERARCH ESO ISS PBLA12 START | 26.2 |
| HIERARCH ESO ISS PBLA12 END | 26.8 |
| HIERARCH ESO ISS PBL13 START | 102.203 |
| HIERARCH ESO ISS PBL13 END | 102.114 |
| HIERARCH ESO ISS PBLA13 START | 32.6 |
| HIERARCH ESO ISS PBLA13 END | 33.2 |
| HIERARCH ESO ISS PBL14 START | 130.095 |
| HIERARCH ESO ISS PBL14 END | 129.966 |
| HIERARCH ESO ISS PBLA14 START | 60.634 |
| HIERARCH ESO ISS PBLA14 END | 61.299 |
| HIERARCH ESO ISS PBL23 START | 46.552 |
| HIERARCH ESO ISS PBL23 END | 46.506 |
| HIERARCH ESO ISS PBLA23 START | 40.3 |
| HIERARCH ESO ISS PBLA23 END | 40.9 |
| HIERARCH ESO ISS PBL24 START | 89.417 |
| HIERARCH ESO ISS PBL24 END | 89.364 |
| HIERARCH ESO ISS PBLA24 START | 81.517 |
| HIERARCH ESO ISS PBLA24 END | 82.208 |
| HIERARCH ESO ISS PBL34 START | 62.456 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 110.935 |
| HIERARCH ESO ISS PBLA34 END | 111.625 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00827 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008146 |
| HIERARCH ESO ISS AMBI TEMP | 11.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.27 |
| HIERARCH ESO ISS AMBI FWHM END | 0.27 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |