Exposure
- ID
- GRAVI.2022-06-19T03:03:21.089_2
- Header ID
- GRAVI.2022-06-19T03:03:21.089
- Date updated
- 2022-06-19 03:20:42 UTC+0000
- Release date
- 2023-06-19 03:20:41 UTC+0000
- UTC Start
- 2022-06-19 03:03:21.089
- UTC End
- 2022-06-19 03:08:41.089
- MJD Start
- 59749.12732742
- MJD End
- 59749.1310311237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027455
- Ambient temperature (°C)
- 7.68
- Seeing (arcsec)
- 1.825
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 | 56.4610 | 56.4780 | 14.4000 | 15.2000 |
| U1-U3 | 101.9290 | 102.0040 | 20.3000 | 21.1000 |
| U1-U4 | 125.8700 | 126.3890 | 47.3130 | 48.2170 |
| U2-U3 | 46.1390 | 46.2060 | 27.6000 | 28.4000 |
| U2-U4 | 84.2490 | 84.8390 | 68.6640 | 69.5060 |
| U3-U4 | 58.0160 | 58.4970 | 100.1680 | 100.7690 |
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 | 59749.12732742 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416741 |
| DEC | -29.00708 |
| 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 | 56.461 |
| HIERARCH ESO ISS PBL12 END | 56.478 |
| HIERARCH ESO ISS PBLA12 START | 14.4 |
| HIERARCH ESO ISS PBLA12 END | 15.2 |
| HIERARCH ESO ISS PBL13 START | 101.929 |
| HIERARCH ESO ISS PBL13 END | 102.004 |
| HIERARCH ESO ISS PBLA13 START | 20.3 |
| HIERARCH ESO ISS PBLA13 END | 21.1 |
| HIERARCH ESO ISS PBL14 START | 125.87 |
| HIERARCH ESO ISS PBL14 END | 126.389 |
| HIERARCH ESO ISS PBLA14 START | 47.313 |
| HIERARCH ESO ISS PBLA14 END | 48.217 |
| HIERARCH ESO ISS PBL23 START | 46.139 |
| HIERARCH ESO ISS PBL23 END | 46.206 |
| HIERARCH ESO ISS PBLA23 START | 27.6 |
| HIERARCH ESO ISS PBLA23 END | 28.4 |
| HIERARCH ESO ISS PBL24 START | 84.249 |
| HIERARCH ESO ISS PBL24 END | 84.839 |
| HIERARCH ESO ISS PBLA24 START | 68.664 |
| HIERARCH ESO ISS PBLA24 END | 69.506 |
| HIERARCH ESO ISS PBL34 START | 58.016 |
| HIERARCH ESO ISS PBL34 END | 58.497 |
| HIERARCH ESO ISS PBLA34 START | 100.168 |
| HIERARCH ESO ISS PBLA34 END | 100.769 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002374 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003117 |
| HIERARCH ESO ISS AMBI TEMP | 7.68 |
| HIERARCH ESO ISS AMBI FWHM START | 2.0 |
| HIERARCH ESO ISS AMBI FWHM END | 1.65 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |