Exposure
- ID
- GRAVI.2022-05-20T07:45:00.042_2
- Header ID
- GRAVI.2022-05-20T07:45:00.042
- Date updated
- 2022-05-20 08:01:48 UTC+0000
- Release date
- 2023-05-20 08:01:48 UTC+0000
- UTC Start
- 2022-05-20 07:45:00.042
- UTC End
- 2022-05-20 07:50:20.042
- MJD Start
- 59719.32291715
- MJD End
- 59719.3266208537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00763
- Ambient temperature (°C)
- 12.34
- Seeing (arcsec)
- 0.35
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 | 55.4690 | 55.3350 | 32.7000 | 33.1000 |
| U1-U3 | 100.0360 | 99.7220 | 39.0000 | 39.5000 |
| U1-U4 | 125.4360 | 124.7040 | 67.7630 | 68.3210 |
| U2-U3 | 45.3290 | 45.1470 | 46.8000 | 47.3000 |
| U2-U4 | 86.1810 | 85.6390 | 89.4890 | 90.1810 |
| U3-U4 | 61.1260 | 60.8710 | 119.6540 | 120.4850 |
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 | 59719.32291715 |
| 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 | 55.469 |
| HIERARCH ESO ISS PBL12 END | 55.335 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 100.036 |
| HIERARCH ESO ISS PBL13 END | 99.722 |
| HIERARCH ESO ISS PBLA13 START | 39.0 |
| HIERARCH ESO ISS PBLA13 END | 39.5 |
| HIERARCH ESO ISS PBL14 START | 125.436 |
| HIERARCH ESO ISS PBL14 END | 124.704 |
| HIERARCH ESO ISS PBLA14 START | 67.763 |
| HIERARCH ESO ISS PBLA14 END | 68.321 |
| HIERARCH ESO ISS PBL23 START | 45.329 |
| HIERARCH ESO ISS PBL23 END | 45.147 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 47.3 |
| HIERARCH ESO ISS PBL24 START | 86.181 |
| HIERARCH ESO ISS PBL24 END | 85.639 |
| HIERARCH ESO ISS PBLA24 START | 89.489 |
| HIERARCH ESO ISS PBLA24 END | 90.181 |
| HIERARCH ESO ISS PBL34 START | 61.126 |
| HIERARCH ESO ISS PBL34 END | 60.871 |
| HIERARCH ESO ISS PBLA34 START | 119.654 |
| HIERARCH ESO ISS PBLA34 END | 120.485 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006923 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008337 |
| HIERARCH ESO ISS AMBI TEMP | 12.34 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.32 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |