Exposure
- ID
- GRAVI.2022-05-20T09:16:12.271_2
- Header ID
- GRAVI.2022-05-20T09:16:12.271
- Date updated
- 2022-05-20 09:30:36 UTC+0000
- Release date
- 2023-05-20 09:30:36 UTC+0000
- UTC Start
- 2022-05-20 09:16:12.271
- UTC End
- 2022-05-20 09:21:32.271
- MJD Start
- 59719.38625314
- MJD End
- 59719.3899568437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061425
- Ambient temperature (°C)
- 11.98
- Seeing (arcsec)
- 0.385
Observation
- ID
- 50947
- Category
- science
- Program ID
- 109.22ZA.002
- 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 | 52.0610 | 51.7530 | 38.8000 | 39.1000 |
| U1-U3 | 92.1710 | 91.4690 | 45.0000 | 45.3000 |
| U1-U4 | 107.2460 | 105.6580 | 76.0330 | 76.5180 |
| U2-U3 | 40.8080 | 40.4080 | 53.0000 | 53.2000 |
| U2-U4 | 72.9430 | 71.8240 | 101.6110 | 102.4930 |
| U3-U4 | 55.2520 | 54.8030 | 135.2790 | 136.4530 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.38625314 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| 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 | 52.061 |
| HIERARCH ESO ISS PBL12 END | 51.753 |
| HIERARCH ESO ISS PBLA12 START | 38.8 |
| HIERARCH ESO ISS PBLA12 END | 39.1 |
| HIERARCH ESO ISS PBL13 START | 92.171 |
| HIERARCH ESO ISS PBL13 END | 91.469 |
| HIERARCH ESO ISS PBLA13 START | 45.0 |
| HIERARCH ESO ISS PBLA13 END | 45.3 |
| HIERARCH ESO ISS PBL14 START | 107.246 |
| HIERARCH ESO ISS PBL14 END | 105.658 |
| HIERARCH ESO ISS PBLA14 START | 76.033 |
| HIERARCH ESO ISS PBLA14 END | 76.518 |
| HIERARCH ESO ISS PBL23 START | 40.808 |
| HIERARCH ESO ISS PBL23 END | 40.408 |
| HIERARCH ESO ISS PBLA23 START | 53.0 |
| HIERARCH ESO ISS PBLA23 END | 53.2 |
| HIERARCH ESO ISS PBL24 START | 72.943 |
| HIERARCH ESO ISS PBL24 END | 71.824 |
| HIERARCH ESO ISS PBLA24 START | 101.611 |
| HIERARCH ESO ISS PBLA24 END | 102.493 |
| HIERARCH ESO ISS PBL34 START | 55.252 |
| HIERARCH ESO ISS PBL34 END | 54.803 |
| HIERARCH ESO ISS PBLA34 START | 135.279 |
| HIERARCH ESO ISS PBLA34 END | 136.453 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00651 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005775 |
| HIERARCH ESO ISS AMBI TEMP | 11.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.34 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |