Exposure
- ID
- GRAVI.2021-05-24T07:20:05.866_2
- Header ID
- GRAVI.2021-05-24T07:20:05.866
- Date updated
- 2021-05-24 07:35:32 UTC+0000
- Release date
- 2022-05-24 07:35:32 UTC+0000
- UTC Start
- 2021-05-24 07:20:05.866
- UTC End
- 2021-05-24 07:25:25.866
- MJD Start
- 59358.30562345
- MJD End
- 59358.3093271537
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005402
- Ambient temperature (°C)
- 12.04
- Seeing (arcsec)
- 0.5
Observation
- ID
- 47451
- 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
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- 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 | 55.6460 | 55.5250 | 31.9000 | 32.4000 |
| U1-U3 | 100.4470 | 100.1650 | 38.3000 | 38.8000 |
| U1-U4 | 126.3910 | 125.7360 | 66.9510 | 67.5190 |
| U2-U3 | 45.5660 | 45.4030 | 46.1000 | 46.6000 |
| U2-U4 | 86.8840 | 86.4020 | 88.5030 | 89.1900 |
| U3-U4 | 61.4550 | 61.2290 | 118.4900 | 119.2990 |
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 | 59358.30562345 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| 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 | 55.646 |
| HIERARCH ESO ISS PBL12 END | 55.525 |
| HIERARCH ESO ISS PBLA12 START | 31.9 |
| HIERARCH ESO ISS PBLA12 END | 32.4 |
| HIERARCH ESO ISS PBL13 START | 100.447 |
| HIERARCH ESO ISS PBL13 END | 100.165 |
| HIERARCH ESO ISS PBLA13 START | 38.3 |
| HIERARCH ESO ISS PBLA13 END | 38.8 |
| HIERARCH ESO ISS PBL14 START | 126.391 |
| HIERARCH ESO ISS PBL14 END | 125.736 |
| HIERARCH ESO ISS PBLA14 START | 66.951 |
| HIERARCH ESO ISS PBLA14 END | 67.519 |
| HIERARCH ESO ISS PBL23 START | 45.566 |
| HIERARCH ESO ISS PBL23 END | 45.403 |
| HIERARCH ESO ISS PBLA23 START | 46.1 |
| HIERARCH ESO ISS PBLA23 END | 46.6 |
| HIERARCH ESO ISS PBL24 START | 86.884 |
| HIERARCH ESO ISS PBL24 END | 86.402 |
| HIERARCH ESO ISS PBLA24 START | 88.503 |
| HIERARCH ESO ISS PBLA24 END | 89.19 |
| HIERARCH ESO ISS PBL34 START | 61.455 |
| HIERARCH ESO ISS PBL34 END | 61.229 |
| HIERARCH ESO ISS PBLA34 START | 118.49 |
| HIERARCH ESO ISS PBLA34 END | 119.299 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005295 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005509 |
| HIERARCH ESO ISS AMBI TEMP | 12.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |