Exposure
- ID
- GRAVI.2022-06-20T01:26:19.239_2
- Header ID
- GRAVI.2022-06-20T01:26:19.239
- 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 01:26:19.239
- UTC End
- 2022-06-20 01:31:39.239
- MJD Start
- 59750.0599449
- MJD End
- 59750.0636486037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0025125
- Ambient temperature (°C)
- 8.72
- Seeing (arcsec)
- 0.68
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 | 56.2300 | 56.2330 | 1.3000 | 2.1000 |
| U1-U3 | 100.7540 | 100.7990 | 6.1000 | 7.0000 |
| U1-U4 | 115.3890 | 116.0400 | 29.6130 | 30.8550 |
| U2-U3 | 44.9680 | 45.0260 | 12.1000 | 13.1000 |
| U2-U4 | 71.1090 | 72.0280 | 51.6700 | 52.9280 |
| U3-U4 | 46.3790 | 47.2750 | 89.8500 | 90.5350 |
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 | 59750.0599449 |
| 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 | 56.23 |
| HIERARCH ESO ISS PBL12 END | 56.233 |
| HIERARCH ESO ISS PBLA12 START | 1.3 |
| HIERARCH ESO ISS PBLA12 END | 2.1 |
| HIERARCH ESO ISS PBL13 START | 100.754 |
| HIERARCH ESO ISS PBL13 END | 100.799 |
| HIERARCH ESO ISS PBLA13 START | 6.1 |
| HIERARCH ESO ISS PBLA13 END | 7.0 |
| HIERARCH ESO ISS PBL14 START | 115.389 |
| HIERARCH ESO ISS PBL14 END | 116.04 |
| HIERARCH ESO ISS PBLA14 START | 29.613 |
| HIERARCH ESO ISS PBLA14 END | 30.855 |
| HIERARCH ESO ISS PBL23 START | 44.968 |
| HIERARCH ESO ISS PBL23 END | 45.026 |
| HIERARCH ESO ISS PBLA23 START | 12.1 |
| HIERARCH ESO ISS PBLA23 END | 13.1 |
| HIERARCH ESO ISS PBL24 START | 71.109 |
| HIERARCH ESO ISS PBL24 END | 72.028 |
| HIERARCH ESO ISS PBLA24 START | 51.67 |
| HIERARCH ESO ISS PBLA24 END | 52.928 |
| HIERARCH ESO ISS PBL34 START | 46.379 |
| HIERARCH ESO ISS PBL34 END | 47.275 |
| HIERARCH ESO ISS PBLA34 START | 89.85 |
| HIERARCH ESO ISS PBLA34 END | 90.535 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002399 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002626 |
| HIERARCH ESO ISS AMBI TEMP | 8.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |