Exposure
- ID
- GRAVI.2021-03-28T09:09:44.486_2
- Header ID
- GRAVI.2021-03-28T09:09:44.486
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-28 09:25:32 UTC+0000
- UTC Start
- 2021-03-28 09:09:44.486
- UTC End
- 2021-03-28 09:15:04.486
- MJD Start
- 59301.38176488
- MJD End
- 59301.3854685837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004056
- Ambient temperature (°C)
- 11.8
- Seeing (arcsec)
- 0.68
Observation
- ID
- 47323
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.5550 | 56.5590 | 19.7000 | 20.4000 |
| U1-U3 | 102.3620 | 102.3940 | 25.9000 | 26.6000 |
| U1-U4 | 128.9750 | 129.2700 | 53.4720 | 54.2630 |
| U2-U3 | 46.5360 | 46.5710 | 33.4000 | 34.2000 |
| U2-U4 | 87.7680 | 88.1100 | 74.4490 | 75.2040 |
| U3-U4 | 60.8750 | 61.1580 | 104.5660 | 105.1900 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59301.38176488 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.555 |
| HIERARCH ESO ISS PBL12 END | 56.559 |
| HIERARCH ESO ISS PBLA12 START | 19.7 |
| HIERARCH ESO ISS PBLA12 END | 20.4 |
| HIERARCH ESO ISS PBL13 START | 102.362 |
| HIERARCH ESO ISS PBL13 END | 102.394 |
| HIERARCH ESO ISS PBLA13 START | 25.9 |
| HIERARCH ESO ISS PBLA13 END | 26.6 |
| HIERARCH ESO ISS PBL14 START | 128.975 |
| HIERARCH ESO ISS PBL14 END | 129.27 |
| HIERARCH ESO ISS PBLA14 START | 53.472 |
| HIERARCH ESO ISS PBLA14 END | 54.263 |
| HIERARCH ESO ISS PBL23 START | 46.536 |
| HIERARCH ESO ISS PBL23 END | 46.571 |
| HIERARCH ESO ISS PBLA23 START | 33.4 |
| HIERARCH ESO ISS PBLA23 END | 34.2 |
| HIERARCH ESO ISS PBL24 START | 87.768 |
| HIERARCH ESO ISS PBL24 END | 88.11 |
| HIERARCH ESO ISS PBLA24 START | 74.449 |
| HIERARCH ESO ISS PBLA24 END | 75.204 |
| HIERARCH ESO ISS PBL34 START | 60.875 |
| HIERARCH ESO ISS PBL34 END | 61.158 |
| HIERARCH ESO ISS PBLA34 START | 104.566 |
| HIERARCH ESO ISS PBLA34 END | 105.19 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004056 |
| HIERARCH ESO ISS AMBI TEMP | 11.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.73 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |