Exposure
- ID
- GRAVI.2024-05-30T08:30:12.425_2
- Header ID
- GRAVI.2024-05-30T08:30:12.425
- Date updated
- 2024-05-30 08:45:26 UTC+0000
- Release date
- 2024-05-30 08:30:12 UTC+0000
- UTC Start
- 2024-05-30 08:30:12.425
- UTC End
- 2024-05-30 08:36:12.425
- MJD Start
- 60460.35431048
- MJD End
- 60460.3584771467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00742
- Ambient temperature (°C)
- 16.04
- Seeing (arcsec)
- 0.22
Observation
- ID
- 59444
- Category
- calibrator
- Program ID
- 113.268P.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 44071
- Name
- IRS16NW
- RA
- 266.416845833333
- DEC
- -29.0075221944444
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 | 52.3080 | 51.9670 | 38.6000 | 38.9000 |
| U1-U3 | 92.7360 | 91.9580 | 44.8000 | 45.1000 |
| U1-U4 | 108.5280 | 106.7650 | 75.6300 | 76.1840 |
| U2-U3 | 41.1300 | 40.6870 | 52.7000 | 53.1000 |
| U2-U4 | 73.8530 | 72.6030 | 100.8950 | 101.8810 |
| U3-U4 | 55.6230 | 55.1150 | 134.3230 | 135.6370 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60460.35431048 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416893 |
| DEC | -29.00732 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 52.308 |
| HIERARCH ESO ISS PBL12 END | 51.967 |
| HIERARCH ESO ISS PBLA12 START | 38.6 |
| HIERARCH ESO ISS PBLA12 END | 38.9 |
| HIERARCH ESO ISS PBL13 START | 92.736 |
| HIERARCH ESO ISS PBL13 END | 91.958 |
| HIERARCH ESO ISS PBLA13 START | 44.8 |
| HIERARCH ESO ISS PBLA13 END | 45.1 |
| HIERARCH ESO ISS PBL14 START | 108.528 |
| HIERARCH ESO ISS PBL14 END | 106.765 |
| HIERARCH ESO ISS PBLA14 START | 75.63 |
| HIERARCH ESO ISS PBLA14 END | 76.184 |
| HIERARCH ESO ISS PBL23 START | 41.13 |
| HIERARCH ESO ISS PBL23 END | 40.687 |
| HIERARCH ESO ISS PBLA23 START | 52.7 |
| HIERARCH ESO ISS PBLA23 END | 53.1 |
| HIERARCH ESO ISS PBL24 START | 73.853 |
| HIERARCH ESO ISS PBL24 END | 72.603 |
| HIERARCH ESO ISS PBLA24 START | 100.895 |
| HIERARCH ESO ISS PBLA24 END | 101.881 |
| HIERARCH ESO ISS PBL34 START | 55.623 |
| HIERARCH ESO ISS PBL34 END | 55.115 |
| HIERARCH ESO ISS PBLA34 START | 134.323 |
| HIERARCH ESO ISS PBLA34 END | 135.637 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006829 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008011 |
| HIERARCH ESO ISS AMBI TEMP | 16.04 |
| HIERARCH ESO ISS AMBI FWHM START | 0.23 |
| HIERARCH ESO ISS AMBI FWHM END | 0.21 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |