Exposure
- ID
- GRAVI.2022-05-20T07:10:53.956_2
- Header ID
- GRAVI.2022-05-20T07:10:53.956
- Date updated
- 2022-05-20 07:25:52 UTC+0000
- Release date
- 2023-05-20 07:25:52 UTC+0000
- UTC Start
- 2022-05-20 07:10:53.956
- UTC End
- 2022-05-20 07:16:13.956
- MJD Start
- 59719.2992356
- MJD End
- 59719.3029393037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006583
- Ambient temperature (°C)
- 12.73
- Seeing (arcsec)
- 0.39
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 | 56.0890 | 56.0060 | 29.6000 | 30.1000 |
| U1-U3 | 101.4700 | 101.2810 | 35.9000 | 36.5000 |
| U1-U4 | 128.7020 | 128.2870 | 64.2630 | 64.8690 |
| U2-U3 | 46.1510 | 46.0440 | 43.7000 | 44.3000 |
| U2-U4 | 88.5540 | 88.2620 | 85.4030 | 86.0820 |
| U3-U4 | 62.2070 | 62.0820 | 114.9810 | 115.7290 |
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 | 59719.2992356 |
| 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 | 56.089 |
| HIERARCH ESO ISS PBL12 END | 56.006 |
| HIERARCH ESO ISS PBLA12 START | 29.6 |
| HIERARCH ESO ISS PBLA12 END | 30.1 |
| HIERARCH ESO ISS PBL13 START | 101.47 |
| HIERARCH ESO ISS PBL13 END | 101.281 |
| HIERARCH ESO ISS PBLA13 START | 35.9 |
| HIERARCH ESO ISS PBLA13 END | 36.5 |
| HIERARCH ESO ISS PBL14 START | 128.702 |
| HIERARCH ESO ISS PBL14 END | 128.287 |
| HIERARCH ESO ISS PBLA14 START | 64.263 |
| HIERARCH ESO ISS PBLA14 END | 64.869 |
| HIERARCH ESO ISS PBL23 START | 46.151 |
| HIERARCH ESO ISS PBL23 END | 46.044 |
| HIERARCH ESO ISS PBLA23 START | 43.7 |
| HIERARCH ESO ISS PBLA23 END | 44.3 |
| HIERARCH ESO ISS PBL24 START | 88.554 |
| HIERARCH ESO ISS PBL24 END | 88.262 |
| HIERARCH ESO ISS PBLA24 START | 85.403 |
| HIERARCH ESO ISS PBLA24 END | 86.082 |
| HIERARCH ESO ISS PBL34 START | 62.207 |
| HIERARCH ESO ISS PBL34 END | 62.082 |
| HIERARCH ESO ISS PBLA34 START | 114.981 |
| HIERARCH ESO ISS PBLA34 END | 115.729 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008171 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004995 |
| HIERARCH ESO ISS AMBI TEMP | 12.73 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| 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 |