Exposure
- ID
- GRAVI.2022-05-23T03:59:24.276_2
- Header ID
- GRAVI.2022-05-23T03:59:24.276
- Date updated
- 2022-05-23 04:15:45 UTC+0000
- Release date
- 2023-05-23 04:15:45 UTC+0000
- UTC Start
- 2022-05-23 03:59:24.276
- UTC End
- 2022-05-23 04:04:44.276
- MJD Start
- 59722.1662532
- MJD End
- 59722.1699569037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0061115
- Ambient temperature (°C)
- 11.28
- Seeing (arcsec)
- 0.705
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 | 56.3020 | 56.3170 | 7.5000 | 8.3000 |
| U1-U3 | 101.2170 | 101.2950 | 12.9000 | 13.8000 |
| U1-U4 | 120.4560 | 121.1240 | 38.4950 | 39.5800 |
| U2-U3 | 45.4790 | 45.5550 | 19.6000 | 20.5000 |
| U2-U4 | 77.8270 | 78.6530 | 60.3920 | 61.4230 |
| U3-U4 | 52.5990 | 53.3200 | 94.7970 | 95.4210 |
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 | 59722.1662532 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416757 |
| DEC | -29.00715 |
| 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 | 56.302 |
| HIERARCH ESO ISS PBL12 END | 56.317 |
| HIERARCH ESO ISS PBLA12 START | 7.5 |
| HIERARCH ESO ISS PBLA12 END | 8.3 |
| HIERARCH ESO ISS PBL13 START | 101.217 |
| HIERARCH ESO ISS PBL13 END | 101.295 |
| HIERARCH ESO ISS PBLA13 START | 12.9 |
| HIERARCH ESO ISS PBLA13 END | 13.8 |
| HIERARCH ESO ISS PBL14 START | 120.456 |
| HIERARCH ESO ISS PBL14 END | 121.124 |
| HIERARCH ESO ISS PBLA14 START | 38.495 |
| HIERARCH ESO ISS PBLA14 END | 39.58 |
| HIERARCH ESO ISS PBL23 START | 45.479 |
| HIERARCH ESO ISS PBL23 END | 45.555 |
| HIERARCH ESO ISS PBLA23 START | 19.6 |
| HIERARCH ESO ISS PBLA23 END | 20.5 |
| HIERARCH ESO ISS PBL24 START | 77.827 |
| HIERARCH ESO ISS PBL24 END | 78.653 |
| HIERARCH ESO ISS PBLA24 START | 60.392 |
| HIERARCH ESO ISS PBLA24 END | 61.423 |
| HIERARCH ESO ISS PBL34 START | 52.599 |
| HIERARCH ESO ISS PBL34 END | 53.32 |
| HIERARCH ESO ISS PBLA34 START | 94.797 |
| HIERARCH ESO ISS PBLA34 END | 95.421 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005745 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006478 |
| HIERARCH ESO ISS AMBI TEMP | 11.28 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.73 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |