Exposure
- ID
- GRAVI.2024-05-30T06:57:06.189_2
- Header ID
- GRAVI.2024-05-30T06:57:06.189
- Date updated
- 2024-05-30 07:15:31 UTC+0000
- Release date
- 2025-05-30 07:15:30 UTC+0000
- UTC Start
- 2024-05-30 06:57:06.189
- UTC End
- 2024-05-30 07:03:06.189
- MJD Start
- 60460.28965496
- MJD End
- 60460.2938216267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004166
- Ambient temperature (°C)
- 15.8
- Seeing (arcsec)
- 0.45
Observation
- ID
- 59446
- Category
- science
- 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 | 55.6150 | 55.4740 | 32.1000 | 32.6000 |
| U1-U3 | 100.3750 | 100.0460 | 38.5000 | 39.0000 |
| U1-U4 | 126.2250 | 125.4610 | 67.1040 | 67.7470 |
| U2-U3 | 45.5240 | 45.3350 | 46.3000 | 46.8000 |
| U2-U4 | 86.7630 | 86.2000 | 88.6870 | 89.4670 |
| U3-U4 | 61.3980 | 61.1350 | 118.7040 | 119.6280 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60460.28965496 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16NW |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| 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 | 55.615 |
| HIERARCH ESO ISS PBL12 END | 55.474 |
| HIERARCH ESO ISS PBLA12 START | 32.1 |
| HIERARCH ESO ISS PBLA12 END | 32.6 |
| HIERARCH ESO ISS PBL13 START | 100.375 |
| HIERARCH ESO ISS PBL13 END | 100.046 |
| HIERARCH ESO ISS PBLA13 START | 38.5 |
| HIERARCH ESO ISS PBLA13 END | 39.0 |
| HIERARCH ESO ISS PBL14 START | 126.225 |
| HIERARCH ESO ISS PBL14 END | 125.461 |
| HIERARCH ESO ISS PBLA14 START | 67.104 |
| HIERARCH ESO ISS PBLA14 END | 67.747 |
| HIERARCH ESO ISS PBL23 START | 45.524 |
| HIERARCH ESO ISS PBL23 END | 45.335 |
| HIERARCH ESO ISS PBLA23 START | 46.3 |
| HIERARCH ESO ISS PBLA23 END | 46.8 |
| HIERARCH ESO ISS PBL24 START | 86.763 |
| HIERARCH ESO ISS PBL24 END | 86.2 |
| HIERARCH ESO ISS PBLA24 START | 88.687 |
| HIERARCH ESO ISS PBLA24 END | 89.467 |
| HIERARCH ESO ISS PBL34 START | 61.398 |
| HIERARCH ESO ISS PBL34 END | 61.135 |
| HIERARCH ESO ISS PBLA34 START | 118.704 |
| HIERARCH ESO ISS PBLA34 END | 119.628 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002993 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005339 |
| HIERARCH ESO ISS AMBI TEMP | 15.8 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.38 |
| HIERARCH ESO FT ROBJ NAME | IRS16NW |
| HIERARCH ESO FT ROBJ ALPHA | 174540.0430 |
| HIERARCH ESO FT ROBJ DELTA | -290027.0799 |