Exposure
- ID
- GRAVI.2022-06-20T02:11:46.353_2
- Header ID
- GRAVI.2022-06-20T02:11:46.353
- Date updated
- 2022-06-20 13:25:42 UTC+0000
- Release date
- 2023-06-20 13:25:42 UTC+0000
- UTC Start
- 2022-06-20 02:11:46.353
- UTC End
- 2022-06-20 02:17:06.353
- MJD Start
- 59750.09150872
- MJD End
- 59750.0952124237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002786
- Ambient temperature (°C)
- 8.29
- Seeing (arcsec)
- 0.655
Observation
- ID
- 51275
- Category
- science
- Program ID
- 109.22ZA.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37996
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076471944444
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 | 56.3080 | 56.3220 | 7.8000 | 98.7000 |
| U1-U3 | 101.2500 | 101.3170 | 13.3000 | 104.2000 |
| U1-U4 | 120.7420 | 121.3080 | 38.9600 | 130.1060 |
| U2-U3 | 45.5110 | 45.5760 | 20.0000 | 111.0000 |
| U2-U4 | 78.1820 | 78.8770 | 60.8340 | 151.9330 |
| U3-U4 | 52.9100 | 53.5140 | 95.0630 | 185.8230 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59750.09150872 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416797 |
| DEC | -29.00705 |
| 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 | 56.308 |
| HIERARCH ESO ISS PBL12 END | 56.322 |
| HIERARCH ESO ISS PBLA12 START | 7.8 |
| HIERARCH ESO ISS PBLA12 END | 98.7 |
| HIERARCH ESO ISS PBL13 START | 101.25 |
| HIERARCH ESO ISS PBL13 END | 101.317 |
| HIERARCH ESO ISS PBLA13 START | 13.3 |
| HIERARCH ESO ISS PBLA13 END | 104.2 |
| HIERARCH ESO ISS PBL14 START | 120.742 |
| HIERARCH ESO ISS PBL14 END | 121.308 |
| HIERARCH ESO ISS PBLA14 START | 38.96 |
| HIERARCH ESO ISS PBLA14 END | 130.106 |
| HIERARCH ESO ISS PBL23 START | 45.511 |
| HIERARCH ESO ISS PBL23 END | 45.576 |
| HIERARCH ESO ISS PBLA23 START | 20.0 |
| HIERARCH ESO ISS PBLA23 END | 111.0 |
| HIERARCH ESO ISS PBL24 START | 78.182 |
| HIERARCH ESO ISS PBL24 END | 78.877 |
| HIERARCH ESO ISS PBLA24 START | 60.834 |
| HIERARCH ESO ISS PBLA24 END | 151.933 |
| HIERARCH ESO ISS PBL34 START | 52.91 |
| HIERARCH ESO ISS PBL34 END | 53.514 |
| HIERARCH ESO ISS PBLA34 START | 95.063 |
| HIERARCH ESO ISS PBLA34 END | 185.823 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002273 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003299 |
| HIERARCH ESO ISS AMBI TEMP | 8.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |