Exposure
- ID
- GRAVI.2021-06-26T04:37:38.134_2
- Header ID
- GRAVI.2021-06-26T04:37:38.134
- Date updated
- 2021-06-26 04:55:27 UTC+0000
- Release date
- 2022-06-26 04:55:27 UTC+0000
- UTC Start
- 2021-06-26 04:37:38.134
- UTC End
- 2021-06-26 04:42:58.134
- MJD Start
- 59391.19280248
- MJD End
- 59391.1965061837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003683
- Ambient temperature (°C)
- 8.49
- Seeing (arcsec)
- 0.515
Observation
- ID
- 47538
- Category
- science
- Program ID
- 105.20B2.003
- 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 | 56.1760 | 56.1030 | 28.9000 | 29.4000 |
| U1-U3 | 101.6690 | 101.5030 | 35.3000 | 35.8000 |
| U1-U4 | 129.1260 | 128.7730 | 63.5290 | 64.1460 |
| U2-U3 | 46.2640 | 46.1700 | 43.0000 | 43.6000 |
| U2-U4 | 88.8460 | 88.6040 | 84.5940 | 85.2740 |
| U3-U4 | 62.3250 | 62.2280 | 114.1060 | 114.8400 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59391.19280248 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416733 |
| DEC | -29.00724 |
| 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 | 56.176 |
| HIERARCH ESO ISS PBL12 END | 56.103 |
| HIERARCH ESO ISS PBLA12 START | 28.9 |
| HIERARCH ESO ISS PBLA12 END | 29.4 |
| HIERARCH ESO ISS PBL13 START | 101.669 |
| HIERARCH ESO ISS PBL13 END | 101.503 |
| HIERARCH ESO ISS PBLA13 START | 35.3 |
| HIERARCH ESO ISS PBLA13 END | 35.8 |
| HIERARCH ESO ISS PBL14 START | 129.126 |
| HIERARCH ESO ISS PBL14 END | 128.773 |
| HIERARCH ESO ISS PBLA14 START | 63.529 |
| HIERARCH ESO ISS PBLA14 END | 64.146 |
| HIERARCH ESO ISS PBL23 START | 46.264 |
| HIERARCH ESO ISS PBL23 END | 46.17 |
| HIERARCH ESO ISS PBLA23 START | 43.0 |
| HIERARCH ESO ISS PBLA23 END | 43.6 |
| HIERARCH ESO ISS PBL24 START | 88.846 |
| HIERARCH ESO ISS PBL24 END | 88.604 |
| HIERARCH ESO ISS PBLA24 START | 84.594 |
| HIERARCH ESO ISS PBLA24 END | 85.274 |
| HIERARCH ESO ISS PBL34 START | 62.325 |
| HIERARCH ESO ISS PBL34 END | 62.228 |
| HIERARCH ESO ISS PBLA34 START | 114.106 |
| HIERARCH ESO ISS PBLA34 END | 114.84 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003566 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0038 |
| HIERARCH ESO ISS AMBI TEMP | 8.49 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.5 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |