Exposure
- ID
- GRAVI.2021-05-30T07:01:59.564_2
- Header ID
- GRAVI.2021-05-30T07:01:59.564
- Date updated
- 2021-05-30 07:20:43 UTC+0000
- Release date
- 2022-05-30 07:20:43 UTC+0000
- UTC Start
- 2021-05-30 07:01:59.564
- UTC End
- 2021-05-30 07:07:19.564
- MJD Start
- 59364.29305051
- MJD End
- 59364.2967542137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045505
- Ambient temperature (°C)
- 10.3
- Seeing (arcsec)
- 0.64
Observation
- ID
- 47463
- Category
- science
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491944444
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 | 55.5310 | 55.4000 | 32.4000 | 32.9000 |
| U1-U3 | 100.1790 | 99.8740 | 38.8000 | 39.3000 |
| U1-U4 | 125.7690 | 125.0580 | 67.4950 | 68.0590 |
| U2-U3 | 45.4110 | 45.2350 | 46.6000 | 47.1000 |
| U2-U4 | 86.4260 | 85.9010 | 89.1600 | 89.8540 |
| U3-U4 | 61.2410 | 60.9940 | 119.2630 | 120.0910 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59364.29305051 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.41672 |
| DEC | -29.00717 |
| 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 | 55.531 |
| HIERARCH ESO ISS PBL12 END | 55.4 |
| HIERARCH ESO ISS PBLA12 START | 32.4 |
| HIERARCH ESO ISS PBLA12 END | 32.9 |
| HIERARCH ESO ISS PBL13 START | 100.179 |
| HIERARCH ESO ISS PBL13 END | 99.874 |
| HIERARCH ESO ISS PBLA13 START | 38.8 |
| HIERARCH ESO ISS PBLA13 END | 39.3 |
| HIERARCH ESO ISS PBL14 START | 125.769 |
| HIERARCH ESO ISS PBL14 END | 125.058 |
| HIERARCH ESO ISS PBLA14 START | 67.495 |
| HIERARCH ESO ISS PBLA14 END | 68.059 |
| HIERARCH ESO ISS PBL23 START | 45.411 |
| HIERARCH ESO ISS PBL23 END | 45.235 |
| HIERARCH ESO ISS PBLA23 START | 46.6 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 86.426 |
| HIERARCH ESO ISS PBL24 END | 85.901 |
| HIERARCH ESO ISS PBLA24 START | 89.16 |
| HIERARCH ESO ISS PBLA24 END | 89.854 |
| HIERARCH ESO ISS PBL34 START | 61.241 |
| HIERARCH ESO ISS PBL34 END | 60.994 |
| HIERARCH ESO ISS PBLA34 START | 119.263 |
| HIERARCH ESO ISS PBLA34 END | 120.091 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003993 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005108 |
| HIERARCH ESO ISS AMBI TEMP | 10.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |