Eta Oph

 fe_h (5)

 |Teff  log.g | Fe_H  c|CompStar |CatNo|     Reference     |
 -----------------------------------------------------------
 | 8788 3.74  |        |         |     |2003AJ....125.1598L|
 | 8740       |        |SUN      |     |1995A&AS..110..553S|
 | 8730       |        |SUN      |     |2012A&A...537A.120Z|
 | 8690       |        |SUN      |     |1998A&AS..129..505B|
 | 8620       |        |SUN      |     |2009A&A...501..297Z|
 

mk (17)

 |ds/mss|           Spectral type            |     reference     |
 -----------------------------------------------------------------
 |  /   |A2                                  |1993yCat.3135....0C|
 |  /   |A2 IV-V                             |2006AJ....132..161G|
 |  /   |A2V                                 |1976AJ.....81..245E|
 |  /   |A2V                                 |1969AJ.....74..375C|
 |  /   |A2 V SB                             |1961CapMi..12....1:|
 |OP/   |A2 V SB                             |1959POHP....4...52B|
 |  /   |A2.5V                               |1959MtSOM...3....1B|
 |  /   |A2 V SB                             |1959IzKry..22..189K|
 |  /   |A2 V SB                             |1957IzKry..17...42N|
 |P /   |A2.5V                               |1956ApJ...123..440S|
 |  /   |A2 V SB                             |1955AJ.....60..401E|
 |  /   |A2 V SB                             |1955AJ.....60...65E|
 |  /   |A2 V SB                             |1953AnAp...16..321P|
 |P /   |A2 V SB                             |1950MNRAS.110...15G|
 |G /   |A2 V SB                             |1950ApJ...111....1K|
 |P /   |A2 V SB                             |1948ApJ...107..151G|
 |P /   |A2 V SB                             |1943MKAtl.C......0M|